/* CSS Variables for consistent theming */
:root {
    --primary-color: #2563eb;
    --secondary-color: #7c3aed;
    --accent-color: #059669;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --light-color: #f8fafc;
    --dark-color: #1e293b;
    --text-color: #334155;
    --border-color: #e2e8f0;
    --shadow-color: rgba(0, 0, 0, 0.08);
    --medium-gray: #64748b;
    --light-gray: #f1f5f9;
    --medium-light-gray: #e2e8f0;
    --card-bg: #ffffff;
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    --gradient-secondary: linear-gradient(135deg, #7c3aed 0%, #8b5cf6 100%);
    --gradient-success: linear-gradient(135deg, #059669 0%, #10b981 100%);
    --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    --gradient-danger: linear-gradient(135deg, #ef4444 0%, #f87171 100%);
}

body {
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    color: var(--text-color);
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5 {
    font-size: 28px;
    color: var(--dark-color);
    font-weight: 700;
    line-height: 1.3;
    margin: 0 0 16px 0;
}

h1 { font-size: 32px; }
h2 { font-size: 28px; }
h3 { font-size: 24px; }
h4 { font-size: 20px; }
h5 { font-size: 18px; }

.login-container {
    max-width: 900px;
    margin: 40px auto;
    padding: 48px;
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    font-size: 18px;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.login-title {
    font-size: 36px;
    color: black;
    text-align: center;
    margin-bottom: 35px;
    font-weight: bold;
}

.project-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding: 20px 0;
}

.project-card {
    border: 1px solid var(--border-color);
    padding: 24px;
    border-radius: 16px;
    background: var(--card-bg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    text-align: left;
    min-width: 0; /* Allow cards to shrink */
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    border-color: var(--primary-color);
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-card a {
    text-decoration: none;
    color: inherit;
    display: block;
}

/* Responsive design for project cards */
@media (max-width: 1200px) {
    .project-cards {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .project-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .project-cards {
        grid-template-columns: 1fr;
    }
}

.btn-large {
    font-size: 18px;
    padding: 10px 20px;
}


.option-box {
    display: inline-block;
    width: 250px;
    height: 120px;
    margin: 25px;
    background-color: var(--light-color);
    border-radius: 12px;
    line-height: 120px;
    font-size: 28px;
    color: var(--text-color);
    font-weight: bold;
    text-decoration: none;
    transition: background-color 0.3s;
}

.option-box:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Dashboard */
.dashboard-container {
    max-width: 600px;
    margin: 100px auto;
    padding: 56px;
    background: var(--card-bg);
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    text-align: center;
    font-size: 18px;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.logout-btn {
    background: var(--gradient-danger);
    color: white;
    padding: 14px 28px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.logout-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.logout-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.logout-btn:hover::before {
    left: 100%;
}

/* Back button styling */
.back-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 28px;
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    margin-bottom: 32px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 18px;
    font-weight: 600;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.back-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.back-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    color: white;
    text-decoration: none;
}

.back-button:hover::before {
    left: 100%;
}

/* Analysis page specific styles */
.analysis-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    font-family: Arial, sans-serif;
}

/* Analysis Page Header */
.header {
    background: var(--gradient-primary);
    color: white;
    padding: 40px;
    border-radius: 20px;
    margin-bottom: 40px;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.header h1 {
    margin: 0 0 24px 0;
    font-size: 2.5em;
    font-weight: 800;
    text-shadow: 0 4px 8px rgba(0,0,0,0.2);
    color: white;
    position: relative;
    z-index: 1;
}

.header-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.download-btn {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: black;
    padding: 15px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--shadow-color);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--shadow-color);
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-color) 100%);
}

.back-btn {
    background: linear-gradient(135deg, var(--medium-gray) 0%, var(--medium-light-gray) 100%);
    color: black;
    padding: 15px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--shadow-color);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.back-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--shadow-color);
    background: linear-gradient(135deg, var(--text-color) 0%, var(--medium-gray) 100%);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.metric-card {
    background: var(--card-bg);
    padding: 24px 20px;
    border-radius: 16px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    text-align: center;
    border-left: 4px solid var(--success-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-success);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.metric-value {
    font-size: 1.8em;
    font-weight: 700;
    color: var(--success-color);
    margin: 12px 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.metric-label {
    color: var(--medium-gray);
    font-size: 0.85em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1.3;
}

.positive { color: #0d3d0d; }
.negative { color: var(--danger-color); }

.charts-section {
    margin-bottom: 30px;
}

.chart-container {
    background: var(--card-bg);
    padding: 32px;
    border-radius: 20px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    margin-bottom: 32px;
    border: 1px solid var(--border-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.chart-container:hover {
    transform: translateY(-4px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.chart-title {
    font-size: 1.5em;
    color: black;
    margin-bottom: 15px;
    text-align: center;
}

.chart-image {
    width: 100%;
    height: auto;
    border-radius: 5px;
    max-width: 800px;
    margin: 0 auto;
    display: block;
}

.cashflow-table {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 6px var(--shadow-color);
    margin-bottom: 20px;
}

.table-title {
    font-size: 1.5em;
    color: black;
    margin-bottom: 15px;
    text-align: center;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

th, td {
    padding: 12px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    background-color: white;
}

th {
    background-color: var(--light-color);
    font-weight: bold;
    color: var(--text-color);
}

.summary-section {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 6px var(--shadow-color);
    margin-bottom: 30px;
}

.summary-title {
    font-size: 1.5em;
    color: black;
    margin-bottom: 20px;
    text-align: center;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.summary-item {
    text-align: center;
    padding: 15px;
    background: var(--light-color);
    border-radius: 8px;
}

.summary-value {
    font-size: 1.5em;
    font-weight: bold;
    color: #1a5f1a;
    margin-bottom: 5px;
}

.summary-label {
    color: var(--medium-gray);
    font-size: 0.9em;
}

.positive-cf { 
    color: #0d3d0d !important; 
    font-weight: bold;
}
.negative-cf { 
    color: var(--danger-color) !important; 
    font-weight: bold;
}

.year-0 {
    background-color: var(--light-color);
    font-weight: bold;
}

/* Results Summary Section */
.results-summary {
    background: linear-gradient(135deg, var(--light-color) 0%, var(--medium-light-gray) 100%);
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 30px;
    border: 2px solid var(--border-color);
    box-shadow: 0 4px 15px var(--shadow-color);
}

.results-summary .summary-title {
    text-align: center;
    color: black;
    font-size: 1.8em;
    margin-bottom: 25px;
    font-weight: bold;
    text-shadow: 0 1px 2px var(--shadow-color);
}

.results-summary .summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.results-summary .summary-item {
    background: white;
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 3px 10px var(--shadow-color);
    border-left: 5px solid #1a5f1a;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.results-summary .summary-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #1a5f1a, var(--secondary-color));
}

.results-summary .summary-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px var(--shadow-color);
}

.results-summary .summary-value {
    font-size: 2.4em;
    font-weight: bold;
    color: #1a5f1a;
    margin-bottom: 10px;
    text-shadow: 0 1px 2px var(--shadow-color);
}

.results-summary .summary-label {
    font-size: 1.2em;
    color: var(--text-color);
    font-weight: 600;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.results-summary .summary-detail {
    font-size: 0.95em;
    color: var(--medium-gray);
    font-style: italic;
    line-height: 1.4;
}

/* Detailed Financial Metrics */
.financial-metrics-detail {
    background: white;
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 30px;
    box-shadow: 0 4px 12px var(--shadow-color);
    border: 1px solid var(--border-color);
}

.financial-metrics-detail .detail-title {
    text-align: center;
    color: black;
    font-size: 1.8em;
    margin-bottom: 25px;
    font-weight: bold;
}

.metrics-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.metric-detail-item {
    background: var(--light-color);
    padding: 20px;
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
    transition: all 0.2s ease;
}

.metric-detail-item:hover {
    background: var(--medium-light-gray);
    transform: translateX(5px);
}

.metric-detail-label {
    font-size: 1.1em;
    color: var(--text-color);
    font-weight: 600;
    margin-bottom: 10px;
}

.metric-detail-value {
    font-size: 1.8em;
    font-weight: bold;
    margin-bottom: 8px;
}

.metric-detail-value.positive {
    color: #0d3d0d;
}

.metric-detail-value.negative {
    color: var(--danger-color);
}

.metric-detail-description {
    font-size: 0.9em;
    color: var(--medium-gray);
    line-height: 1.4;
}

/* CRUD Action Buttons */
.project-actions {
    margin-top: 20px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    text-decoration: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    min-width: 120px;
    text-align: center;
    box-shadow: 0 2px 4px var(--shadow-color);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-color);
}

.btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px var(--shadow-color);
}

/* Default button styling */
.btn:not(.delete-btn):not(.edit-btn):not(.view-btn):not(.analyze-btn) {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

.btn:not(.delete-btn):not(.edit-btn):not(.view-btn):not(.analyze-btn):hover {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-color) 100%);
}

/* View Details Button */
.view-btn {
    background: linear-gradient(135deg, var(--medium-gray) 0%, var(--medium-light-gray) 100%);
    color: white;
}

.view-btn:hover {
    background: linear-gradient(135deg, var(--medium-light-gray) 0%, var(--medium-gray) 100%);
}

/* Edit Button */
.edit-btn {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: white;
}

.edit-btn:hover {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-color) 100%);
}

/* Analyze Button */
.analyze-btn {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--medium-gray) 100%);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: 600;
    font-size: 12px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px var(--shadow-color);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.analyze-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--shadow-color);
    background: linear-gradient(135deg, var(--medium-gray) 0%, var(--text-color) 100%);
}

/* Delete Button - Light Red */
.delete-btn {
    background: linear-gradient(135deg, #fca5a5 0%, #fecaca 100%) !important;
    color: #dc2626 !important;
    font-weight: 700 !important;
    font-size: 14px !important;
    border: 2px solid #ef4444 !important;
    text-decoration: none !important;
    text-shadow: none !important;
    letter-spacing: 0.5px !important;
    line-height: 1.4 !important;
    box-shadow: 0 2px 4px rgba(239, 68, 68, 0.2) !important;
}

.delete-btn:hover {
    background: linear-gradient(135deg, #f87171 0%, #fca5a5 100%) !important;
    color: #dc2626 !important;
    transform: translateY(-1px) !important;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3) !important;
    border: 2px solid #dc2626 !important;
}

.delete-btn:active,
.delete-btn:focus {
    background: linear-gradient(135deg, #ef4444 0%, #f87171 100%) !important;
    color: #dc2626 !important;
    border: 2px solid #b91c1c !important;
}

/* Button Icons (optional enhancement) */
.btn::after {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-left: 8px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.view-btn::after {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='white' viewBox='0 0 16 16'%3E%3Cpath d='M16 8s-3-5.5-8-5.5S0 8 0 8s3 5.5 8 5.5S16 8 16 8zM1.173 8a13.133 13.133 0 0 1 1.66-2.043C4.12 4.668 5.88 3.5 8 3.5c2.12 0 3.879 1.168 5.168 2.457A13.133 13.133 0 0 1 14.828 8c-.058.087-.122.183-.195.288-.335.48-.83 1.12-1.465 1.755C11.879 11.332 10.119 12.5 8 12.5c-2.12 0-3.879-1.168-5.168-2.457A13.134 13.134 0 0 1 1.172 8z'/%3E%3Cpath d='M8 5.5a2.5 2.5 0 1 0 0 5 2.5 2.5 0 0 0 0-5zM4.5 8a3.5 3.5 0 1 1 7 0 3.5 3.5 0 0 1-7 0z'/%3E%3C/svg%3E");
}

.edit-btn::after {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='white' viewBox='0 0 16 16'%3E%3Cpath d='M12.146.146a.5.5 0 0 1 .708 0l3 3a.5.5 0 0 1 0 .708l-10 10a.5.5 0 0 1-.168.11l-5 2a.5.5 0 0 1-.65-.65l2-5a.5.5 0 0 1 .11-.168l10-10zM11.207 2.5 13.5 4.793 14.793 3.5 12.5 1.207 11.207 2.5zm1.586 3L10.5 3.207 4 9.707V10h.5a.5.5 0 0 1 .5.5v.5h.5a.5.5 0 0 1 .5.5v.5h.293l6.5-6.5zm-9.761 5.175-.106.106-1.528 3.821 3.821-1.528.106-.106A.5.5 0 0 1 5 12.5V12h-.5a.5.5 0 0 1-.5-.5V11h-.5a.5.5 0 0 1-.5-.5V10h-.5a.5.5 0 0 1-.168-.11z'/%3E%3C/svg%3E");
}

.analyze-btn::after {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23212529' viewBox='0 0 16 16'%3E%3Cpath d='M0 2a2 2 0 0 1 2-2h12a2 2 0 0 1 2 2v8a2 2 0 0 1-2 2H4.414a1 1 0 0 0-.707.293L.854 15.146A.5.5 0 0 1 0 14.793V2zm5 4a.5.5 0 1 0-1 0 .5.5 0 0 0 1 0zm4 0a.5.5 0 1 0-1 0 .5.5 0 0 0 1 0zm-2 2a.5.5 0 1 0-1 0 .5.5 0 0 0 1 0zm-2 2a.5.5 0 1 0-1 0 .5.5 0 0 0 1 0z'/%3E%3C/svg%3E");
}

.delete-btn::after {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='white' viewBox='0 0 16 16'%3E%3Cpath d='M5.5 5.5A.5.5 0 0 1 6 6v6a.5.5 0 0 1-1 0V6a.5.5 0 0 1 .5-.5zm2.5 0a.5.5 0 0 1 .5.5v6a.5.5 0 0 1-1 0V6a.5.5 0 0 1 .5-.5zm3 .5a.5.5 0 0 0-1 0v6a.5.5 0 0 0 1 0V6z'/%3E%3Cpath fill-rule='evenodd' d='M14.5 3a1 1 0 0 1-1 1H13v9a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V4h-.5a1 1 0 0 1-1-1V2a1 1 0 0 1 1-1H6a1 1 0 0 1 1-1h2a1 1 0 0 1 1 1h3.5a1 1 0 0 1 1 1v1zM4.118 4 4 4.059V13a1 1 0 0 0 1 1h6a1 1 0 0 0 1-1V4.059L11.882 4H4.118zM2.5 3V2h11v1h-11z'/%3E%3C/svg%3E");
}

/* Login Page Specific Styles */
.login-container label {
    font-size: 22px;
    font-weight: 600;
    color: black;
    margin-bottom: 10px;
    display: block;
}

.login-container input[type="text"],
.login-container input[type="password"],
.login-container input[type="email"] {
    font-size: 20px;
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    width: 100%;
    margin-bottom: 20px;
    background-color: white;
}

.login-container button[type="submit"] {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: black;
    padding: 18px 35px;
    border: none;
    border-radius: 10px;
    font-size: 22px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--shadow-color);
    margin-top: 25px;
    width: 100%;
}

.login-container button[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--shadow-color);
}

.login-container p {
    font-size: 20px;
    margin-bottom: 20px;
}

.login-container .error-message {
    font-size: 18px;
    color: var(--danger-color);
    margin-bottom: 15px;
}

/* Create Project Page Specific Styles */
.create-project-container {
    font-size: 18px;
    line-height: 1.6;
}

.create-project-container label {
    font-size: 18px;
    font-weight: 600;
    color: black;
    margin-bottom: 8px;
    display: block;
}

.create-project-container input[type="text"],
.create-project-container input[type="number"],
.create-project-container select,
.create-project-container textarea {
    font-size: 16px;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    width: 100%;
    margin-bottom: 15px;
    background-color: white;
}

.create-project-container textarea {
    height: 80px;
    resize: vertical;
}

.create-project-container h3 {
    color: #2E2E2E;
    font-size: 24px;
    font-weight: bold;
    margin: 25px 0 15px 0;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--primary-color);
}

.create-project-container p {
    font-size: 16px;
    margin-bottom: 15px;
}

.create-project-container small {
    font-size: 14px;
    color: var(--medium-gray);
    display: block;
    margin-top: 5px;
}

.create-project-container button[type="submit"] {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: black;
    padding: 15px 30px;
    border: none;
    border-radius: 10px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--shadow-color);
    margin-top: 20px;
}

.create-project-container button[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--shadow-color);
}

/* Strategy Grid Styles */
#strategy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 10px;
    margin: 15px 0;
}

#strategy-grid label {
    font-size: 14px;
    text-align: center;
}

#strategy-grid select {
    width: 100%;
    font-size: 14px;
    padding: 8px;
}

/* Form Actions */
.form-actions {
    margin-top: 20px;
    display: flex;
    gap: 15px;
    justify-content: center;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--accent-color);
}

.btn-secondary {
    background-color: var(--medium-gray);
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    text-decoration: none;
    display: inline-block;
    transition: background-color 0.3s ease;
}

.btn-secondary:hover {
    background-color: var(--text-color);
    color: white;
    text-decoration: none;
}

.create-project-btn {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: white;
    padding: 18px 35px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: bold;
    font-size: 20px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--shadow-color);
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 200px;
    position: relative;
    overflow: hidden;
}

.create-project-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.create-project-btn:hover {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-color) 100%);
    color: white;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--shadow-color);
}

.create-project-btn:hover::before {
    left: 100%;
}

.create-project-btn:active {
    transform: translateY(0);
    box-shadow: 0 4px 15px var(--shadow-color);
}

/* View Projects Page Styles */
.container {
    max-width: 1000px;
    margin: 40px auto;
    padding: 20px;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    padding: 25px 30px;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-links {
    display: flex;
    gap: 20px;
}

.nav-links a {
    text-decoration: none;
    color: white;
    font-size: 18px;
    padding: 10px 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-links a:hover {
    background: rgba(0, 0, 0, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Header text elements styling */
.header h1,
.header h2,
.header h3,
.header h4,
.header h5,
.header p,
.header span {
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Header title specific styling */
.header h2 {
    font-size: 28px;
    font-weight: 700;
    margin: 0;
    color: white;
}

/* Create project button in header styling */
.header .create-project-btn {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    font-size: 16px;
    padding: 12px 24px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.header .create-project-btn:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.project-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding: 20px 0;
}

.project-card {
    background: #fff;
    border: 1px solid #D3D3D3;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    transition: transform 0.2s;
    min-width: 0; /* Allow cards to shrink */
}

.project-card:hover {
    transform: scale(1.05);
    background-color: var(--secondary-color);
    color: white;
}

/* Responsive design for project cards */
@media (max-width: 1200px) {
    .project-cards {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .project-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .project-cards {
        grid-template-columns: 1fr;
    }
}

.project-card a {
    text-decoration: none;
    color: inherit;
}

.project-card h2 {
    font-size: 36px;
    color: black;
    margin: 0;
}

.project-card h3 {
    margin-top: 0;
    color: black;
}

.no-projects {
    text-align: center;
    padding: 40px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 0 10px var(--shadow-color);
}

.no-projects p {
    font-size: 18px;
    color: var(--medium-gray);
    margin-bottom: 20px;
}

/* Body and general styles */
body {
    font-family: 'Segoe UI', sans-serif;
    font-size: 20px;
    background: #F9F9F9;
    margin: 0;
    padding: 0;
    color: #3E3E3E;
}

/* Cost Breakdown Section */
.cost-breakdown {
    background: white;
    border-radius: 15px;
    padding: 25px;
    margin: 20px 0;
    box-shadow: 0 4px 15px var(--shadow-color);
    border: 1px solid var(--border-color);
}

.cost-breakdown .section-title {
    color: black;
    margin-bottom: 20px;
    font-size: 1.5em;
    text-align: center;
    border-bottom: 2px solid #1a5f1a;
    padding-bottom: 10px;
}

.cost-details {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.cost-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border-radius: 8px;
    background: var(--light-color);
    border-left: 4px solid #1a5f1a;
    transition: all 0.3s ease;
}

.cost-item:hover {
    background: var(--medium-light-gray);
    transform: translateX(5px);
}

.cost-item.total-cost {
    background: var(--light-color);
    border-left-color: var(--success-color);
    font-weight: bold;
}

.cost-item.subsidy {
    background: var(--light-color);
    border-left-color: var(--secondary-color);
    font-weight: bold;
}

.cost-item.final-total {
    background: var(--light-color);
    border-left-color: var(--primary-color);
    font-weight: bold;
    font-size: 1.1em;
}

.cost-label {
    color: var(--text-color);
    font-size: 14px;
    flex: 1;
}

.cost-value {
    color: var(--text-color);
    font-weight: bold;
    font-size: 16px;
    text-align: right;
    min-width: 120px;
}

.cost-item.total-cost .cost-value {
    color: #1a5f1a;
}

.cost-item.subsidy .cost-value {
    color: var(--secondary-color);
}

.cost-item.final-total .cost-value {
    color: #1a5f1a;
    font-size: 18px;
}

/* Annual Savings Breakdown Section */
.savings-breakdown {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 32px;
    margin: 32px 0;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.savings-breakdown:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.savings-breakdown .section-title {
    color: black;
    margin-bottom: 20px;
    font-size: 1.5em;
    text-align: center;
    border-bottom: 2px solid var(--success-color);
    padding-bottom: 10px;
}

.savings-details {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.savings-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border-radius: 8px;
    background: var(--light-color);
    border-left: 4px solid var(--success-color);
    transition: all 0.3s ease;
}

.savings-item:hover {
    background: var(--medium-light-gray);
    transform: translateX(5px);
}

.savings-item.grid-cost {
    background: var(--light-color);
    border-left-color: var(--success-color);
    font-weight: bold;
}

.savings-item.feed-in {
    background: var(--light-color);
    border-left-color: var(--secondary-color);
    font-weight: bold;
}

.savings-item.final-savings {
    background: var(--light-color);
    border-left-color: #1a5f1a;
    font-weight: bold;
    font-size: 1.1em;
}

.savings-label {
    color: var(--text-color);
    font-size: 14px;
    flex: 1;
}

.savings-value {
    color: var(--text-color);
    font-weight: bold;
    font-size: 16px;
    text-align: right;
    min-width: 120px;
}

.savings-item.grid-cost .savings-value {
    color: var(--success-color);
}

.savings-item.feed-in .savings-value {
    color: var(--secondary-color);
}

.savings-item.final-savings .savings-value {
    color: #1a5f1a;
    font-size: 18px;
}

/* Metering Type Indicator */
.metering-type-indicator {
    background: var(--gradient-primary);
    color: white;
    padding: 20px 24px;
    border-radius: 16px;
    margin-bottom: 24px;
    text-align: center;
    font-size: 18px;
    font-weight: 600;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.metering-type-indicator::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.6s ease;
}

.metering-type-indicator:hover::before {
    left: 100%;
}

/* Formula Display */
.formula-display {
    margin-bottom: 25px;
}

.formula-box {
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 28px;
    margin-bottom: 24px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.formula-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.formula-box:hover::before {
    transform: scaleX(1);
}

.formula-box:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.formula-box h4 {
    color: var(--dark-color);
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 22px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.formula-box p {
    margin: 10px 0;
    font-size: 16px;
}

.formula-box ul {
    margin: 10px 0;
    padding-left: 20px;
}

.formula-box li {
    margin: 8px 0;
    font-size: 15px;
    line-height: 1.4;
}

.formula-box strong {
    color: var(--primary-color);
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Gross vs Net Metering specific styling */
.formula-box.gross-metering {
    border-left: 5px solid var(--primary-color);
}

.formula-box.gross-metering::before {
    background: var(--gradient-primary);
}

.formula-box.net-metering {
    border-left: 5px solid var(--secondary-color);
}

.formula-box.net-metering::before {
    background: var(--gradient-secondary);
}

/* Formula Calculation Summary */
.formula-calculation-summary {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 2px solid var(--border-color);
}

.calculation-breakdown h4 {
    color: var(--dark-color);
    margin-bottom: 15px;
    font-size: 18px;
    text-align: center;
}

.calculation-steps {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.step {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: #f8fafc;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.step:hover {
    background: #f1f5f9;
    transform: translateX(4px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.step:hover::before {
    transform: scaleY(1);
}

.step-label {
    font-weight: bold;
    color: var(--dark-color);
    font-size: 14px;
    min-width: 100px;
}

.step-value {
    color: var(--text-color);
    font-size: 13px;
    text-align: right;
    flex: 1;
    margin-left: 15px;
}

.step.final-step {
    background: var(--gradient-success);
    border-left-color: var(--success-color);
    font-weight: 700;
    color: white;
}

.step.final-step::before {
    background: var(--gradient-success);
}

.step.final-step .step-label,
.step.final-step .step-value {
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Optimal Configuration Table Styles */
.optimal-configuration-table {
    background: white;
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 25px;
    box-shadow: 0 4px 12px var(--shadow-color);
    border: 2px solid #1a5f1a;
}

.optimal-configuration-table h3 {
    color: #1a5f1a;
    font-size: 1.4em;
    margin-bottom: 20px;
    text-align: center;
    font-weight: bold;
}

.optimal-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    font-size: 14px;
}

.optimal-table th {
    background: linear-gradient(135deg, #1a5f1a 0%, #2d7d2d 100%);
    color: white;
    padding: 15px 10px;
    text-align: center;
    font-weight: bold;
    font-size: 13px;
    border: 1px solid var(--border-color);
}

.optimal-table td {
    padding: 12px 10px;
    text-align: center;
    border: 1px solid var(--border-color);
    background: white;
    transition: background-color 0.2s ease;
}

.optimal-table tbody tr:hover {
    background-color: var(--light-color);
}

.optimal-table tbody tr.highlight-row {
    background-color: #e8f5e8 !important;
    border-left: 4px solid #1a5f1a;
    font-weight: bold;
}

.optimal-table tbody tr.highlight-row:hover {
    background-color: var(--medium-light-gray) !important;
}

.optimal-table .optimal-value {
    color: #1a5f1a;
    font-weight: bold;
}

.optimal-table .positive {
    color: #0d3d0d;
    font-weight: bold;
}

.optimal-table .negative {
    color: var(--danger-color);
    font-weight: bold;
}

/* Optimization Results Table Styles */
.optimization-table-section {
    background: white;
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 30px;
    box-shadow: 0 4px 15px var(--shadow-color);
}

.optimization-table-section .section-title {
    text-align: center;
    color: black;
    font-size: 1.8em;
    margin-bottom: 25px;
    font-weight: bold;
    text-shadow: 0 1px 2px var(--shadow-color);
}

.table-container {
    overflow-x: auto;
    margin-bottom: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px var(--shadow-color);
}

.optimization-results-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    font-size: 14px;
    min-width: 1000px;
}

.optimization-results-table th {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 15px 10px;
    text-align: center;
    font-weight: bold;
    font-size: 13px;
    border: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 10;
}

.optimization-results-table td {
    padding: 12px 10px;
    text-align: center;
    border: 1px solid var(--border-color);
    background: white;
    transition: background-color 0.2s ease;
}

.optimization-results-table tbody tr:hover {
    background-color: var(--light-color);
}

.optimization-results-table tbody tr.current-capacity {
    background-color: var(--light-color) !important;
    border-left: 4px solid var(--secondary-color);
    font-weight: bold;
}

.optimization-results-table tbody tr.optimal-capacity {
    background-color: var(--light-color) !important;
    border-left: 4px solid var(--primary-color);
    font-weight: bold;
}

.optimization-results-table tbody tr.current-capacity:hover,
.optimization-results-table tbody tr.optimal-capacity:hover {
    background-color: var(--medium-light-gray) !important;
}

.optimization-results-table .positive {
    color: #0d3d0d;
    font-weight: bold;
}

.optimization-results-table .negative {
    color: var(--danger-color);
    font-weight: bold;
}

.table-legend {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 20px;
    padding: 15px;
    background: var(--light-color);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
}

.legend-color {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    border: 2px solid var(--border-color);
}

.legend-color.current {
    background-color: var(--light-color);
    border-color: var(--secondary-color);
}

.legend-color.optimal {
    background-color: var(--light-color);
    border-color: var(--primary-color);
}

/* Responsive design for optimization table */
@media (max-width: 1200px) {
    .optimization-results-table {
        font-size: 12px;
    }
    
    .optimization-results-table th,
    .optimization-results-table td {
        padding: 8px 6px;
    }
}

@media (max-width: 768px) {
    .optimization-table-section {
        padding: 20px 15px;
    }
    
    .optimization-table-section .section-title {
        font-size: 1.5em;
    }
    
    .table-legend {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }
    
    .optimization-results-table {
        font-size: 11px;
        min-width: 800px;
    }
    
    .optimization-results-table th,
    .optimization-results-table td {
        padding: 6px 4px;
    }
}

/* Professional Animations and Effects */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Apply animations to key elements */
.savings-breakdown,
.formula-display,
.metric-card,
.chart-container {
    animation: fadeInUp 0.6s ease-out;
}

.formula-box {
    animation: slideInLeft 0.6s ease-out;
}

.metering-type-indicator {
    animation: fadeInUp 0.8s ease-out;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus states for accessibility */
.btn:focus,
.project-card:focus,
.formula-box:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Loading states */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--border-color);
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Enhanced hover effects */
.savings-item:hover,
.cost-item:hover {
    transform: translateX(6px);
    box-shadow: 0 8px 25px -5px rgba(0, 0, 0, 0.1), 0 4px 10px -2px rgba(0, 0, 0, 0.05);
}

/* Professional shadows and depth */
.financial-metrics-detail,
.optimization-table-section {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--border-color);
}

/* Enhanced table styling */
table {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

th {
    background: var(--gradient-primary);
    color: white;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 13px;
}

/* Professional button states */
.btn:active {
    transform: translateY(1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Enhanced form elements */
input, select, textarea {
    border: 2px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.3s ease;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    outline: none;
}

/* Enhanced card interactions */
.metric-card:hover::before {
    transform: scaleY(1);
}

.metric-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Professional spacing improvements */
.analysis-container {
    padding: 32px;
}

.metrics-grid {
    gap: 24px;
    margin-bottom: 40px;
}

/* Enhanced visual hierarchy */
.section-title {
    font-size: 1.6em;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 24px;
    text-align: center;
    border-bottom: 3px solid var(--primary-color);
    padding-bottom: 12px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* Professional data visualization */
.chart-title {
    font-size: 1.4em;
    color: var(--dark-color);
    margin-bottom: 20px;
    text-align: center;
    font-weight: 600;
}

/* Enhanced responsive design */
@media (max-width: 768px) {
    .analysis-container {
        padding: 20px;
    }
    
    .metrics-grid {
        gap: 16px;
        margin-bottom: 24px;
    }
    
    .section-title {
        font-size: 1.4em;
        margin-bottom: 20px;
    }
    
    .formula-box {
        padding: 20px;
    }
    
    .step {
        padding: 12px 16px;
    }
}

/* Professional micro-interactions */
.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px -5px rgba(0, 0, 0, 0.1), 0 4px 10px -2px rgba(0, 0, 0, 0.05);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Enhanced accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Professional print styles */
@media print {
    .btn, .back-button, .logout-btn {
        display: none !important;
    }
    
    .project-card:hover {
        transform: none !important;
        box-shadow: none !important;
    }
    
    .formula-box:hover {
        transform: none !important;
        box-shadow: none !important;
    }
}

/* Delete Button - Darker shade of analyze button with contrasting font */
.delete-btn {
    background: linear-gradient(135deg, #4c1d95 0%, #1e1b4b 100%) !important;
    color: white !important;
    font-weight: 700 !important;
    font-size: 14px !important;
    border: 2px solid #3730a3 !important;
    text-decoration: none !important;
    text-shadow: none !important;
    letter-spacing: 0.5px !important;
    line-height: 1.4 !important;
    box-shadow: 0 2px 4px rgba(76, 29, 149, 0.2) !important;
}

.delete-btn:hover {
    background: linear-gradient(135deg, #3730a3 0%, #312e81 100%) !important;
    color: white !important;
    transform: translateY(-1px) !important;
    box-shadow: 0 4px 12px rgba(76, 29, 149, 0.3) !important;
    border: 2px solid #312e81 !important;
}

.delete-btn:active,
.delete-btn:focus {
    background: linear-gradient(135deg, #312e81 0%, #1e1b4b 100%) !important;
    color: white !important;
    border: 2px solid #1e1b4b !important;
}