* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-yellow: #FF8C00;
    --bright-yellow: #FFA500;
    --dark-yellow: #FF7F00;
    --orange-yellow: #FF9500;
    --black: #000000;
    --dark-gray: #1a1a1a;
    --medium-gray: #333333;
    --light-gray: #f8f8f8;
    --white: #ffffff;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.7;
    color: var(--medium-gray);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: var(--orange-yellow);
    color: var(--black);
    padding: 1.5rem 0;
    box-shadow: 0 2px 15px rgba(0,0,0,0.15);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: transform 0.3s ease-in-out;
    will-change: transform;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo h1 {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 0.25rem;
}

.motto {
    font-size: 0.9rem;
    font-style: italic;
    opacity: 0.9;
}

nav {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

nav a {
    color: var(--black);
    text-decoration: none;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: background-color 0.3s;
}

nav a:hover {
    background-color: rgba(0,0,0,0.1);
}

.admin-link {
    background-color: var(--black);
    color: var(--orange-yellow) !important;
    border-radius: 5px;
}

.admin-link:hover {
    background-color: var(--dark-gray);
}

/* Hero Section */
.hero {
    background: var(--orange-yellow);
    padding: 4rem 0;
    color: var(--black);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-text {
    text-align: left;
}

.hero-image {
    text-align: center;
}

.hero-img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.feature {
    background-color: rgba(255,255,255,0.3);
    padding: 1rem;
    border-radius: 8px;
    font-weight: 500;
}

/* Services Section */
.services {
    padding: 4rem 0;
    background-color: var(--light-gray);
}

.services h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--black);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--white);
    border: 3px solid var(--orange-yellow);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.service-card h3 {
    color: var(--black);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--orange-yellow);
    padding-bottom: 0.5rem;
}

.service-price {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--orange-yellow);
    margin: 1rem 0;
    white-space: nowrap;
}

.service-description {
    color: var(--medium-gray);
    line-height: 1.8;
    margin-bottom: 1rem;
    text-align: justify;
    hyphens: auto;
}

.sub-services {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #eee;
}

.sub-service {
    font-size: 0.9rem;
    margin: 0.5rem 0;
    color: var(--medium-gray);
    line-height: 1.6;
}

/* Calculator Section */
.calculator {
    padding: 4rem 0;
    background-color: var(--white);
}

.calculator h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--black);
}

.calculator-form {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--light-gray);
    padding: 2rem;
    border-radius: 10px;
    border: 2px solid var(--orange-yellow);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--black);
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group input[type="time"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--orange-yellow);
}

.form-group input[type="checkbox"] {
    width: auto;
    margin-right: 0.5rem;
    transform: scale(1.2);
}

.sub-service-input {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1rem;
    padding: 1rem;
    background-color: var(--white);
    border-radius: 5px;
}

.sub-service-input label {
    flex: 1;
    margin-bottom: 0;
}

.sub-service-input input {
    width: 100px;
}

.sub-services-order-container {
    margin: 1.5rem 0;
    padding: 1.5rem;
    background: #f9f9f9;
    border-radius: 0.5rem;
    border: 1px solid #e0e0e0;
}

.sub-services-order-container h3 {
    margin-bottom: 1rem;
    color: var(--dark-gray);
    font-size: 1.2rem;
}

#order-sub-services-list {
    margin-bottom: 1rem;
}

#order-calculated-price {
    margin-top: 1rem;
    padding: 1rem;
    background: #e8f5e9;
    border-radius: 0.5rem;
    border-left: 4px solid #4caf50;
}

#order-price-display {
    font-size: 1.2rem;
    font-weight: bold;
    color: #2e7d32;
}

.price-result {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--orange-yellow);
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.price-result h3 {
    margin-bottom: 0.5rem;
    color: var(--black);
}

.price-display {
    font-size: 2rem;
    font-weight: bold;
    color: var(--black);
    white-space: nowrap;
}

/* Order Form Section */
.order-form-section {
    padding: 4rem 0;
    background-color: var(--light-gray);
}

.order-form-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--black);
}

.order-form {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    border: 2px solid var(--orange-yellow);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.btn-primary {
    width: 100%;
    padding: 1rem;
    background-color: var(--black);
    color: var(--orange-yellow);
    border: none;
    border-radius: 5px;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
    margin-top: 1rem;
    /* Safari fix - prevent text overflow */
    box-sizing: border-box;
    white-space: normal;
    overflow: hidden;
    text-overflow: ellipsis;
    word-wrap: break-word;
    min-height: 3rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

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

.message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 5px;
    text-align: center;
    font-weight: 600;
}

.message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Footer */
footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: 2rem 0;
    margin-top: 4rem;
}

footer a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s;
}

footer a:hover {
    color: var(--orange-yellow);
    text-decoration: underline;
}

/* Admin Styles */
.admin-container {
    min-height: 100vh;
    background-color: var(--light-gray);
    padding: 2rem 0;
}

.admin-header {
    background: var(--orange-yellow);
    color: var(--black);
    padding: 1.5rem 0;
    margin-bottom: 2rem;
}

.admin-header h1 {
    text-align: center;
    font-size: 2rem;
}

.login-form {
    max-width: 400px;
    margin: 5rem auto;
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    border: 2px solid var(--orange-yellow);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

/* Admin Tabs */
.admin-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--orange-yellow);
    flex-wrap: wrap;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 1rem;
}

.stat-card {
    background: var(--white);
    border-radius: 12px;
    padding: 1.25rem;
    box-shadow: 0 6px 16px rgba(0,0,0,0.08);
    border: 1px solid #f0f0f0;
    position: relative;
    overflow: hidden;
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 80px;
    height: 80px;
    background: rgba(255, 149, 0, 0.12);
    border-bottom-left-radius: 100%;
}

.stat-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
    background: #f2f2f2;
    color: var(--black);
}

.stat-label {
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 0.4rem;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--black);
    white-space: nowrap;
}

.stat-primary .stat-icon {
    background: rgba(255, 149, 0, 0.18);
}

.stat-dark .stat-icon {
    background: #111;
    color: var(--orange-yellow);
}

.stat-warning .stat-icon {
    background: rgba(255, 193, 7, 0.2);
}

.stat-success .stat-icon {
    background: rgba(40, 167, 69, 0.2);
}

.stat-danger .stat-icon {
    background: rgba(220, 53, 69, 0.2);
}

.stats-progress {
    margin-top: 1.5rem;
}

.progress-card {
    background: var(--white);
    border-radius: 12px;
    padding: 1.25rem;
    border: 1px solid #f0f0f0;
    box-shadow: 0 6px 16px rgba(0,0,0,0.06);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    color: var(--black);
    font-weight: 600;
}

.progress-row {
    display: grid;
    grid-template-columns: 120px 1fr 50px;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

.progress-track {
    height: 10px;
    background: #f0f0f0;
    border-radius: 999px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 999px;
    transition: width 0.4s ease;
}

.progress-fill.pending {
    background: linear-gradient(90deg, #ffcc80, #ff9800);
}

.progress-fill.completed {
    background: linear-gradient(90deg, #c8e6c9, #4caf50);
}

.progress-fill.cancelled {
    background: linear-gradient(90deg, #ffcdd2, #f44336);
}

.charts-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.chart-card {
    background: var(--white);
    border-radius: 12px;
    padding: 1.25rem;
    border: 1px solid #f0f0f0;
    box-shadow: 0 6px 16px rgba(0,0,0,0.06);
}

.chart-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.chart-title h3 {
    font-size: 1.05rem;
    color: var(--black);
}

.chart-badge {
    background: var(--orange-yellow);
    color: var(--black);
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
}

.chart {
    min-height: 180px;
}

.chart-bars {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.6rem;
    align-items: end;
    height: 180px;
    padding: 0.5rem 0.25rem 0;
}

.chart-bars.stacked .chart-bar-group {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    height: 140px;
    gap: 4px;
}

.chart-bar-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
}

.chart-bar {
    width: 100%;
    background: linear-gradient(180deg, #ffb74d, #ff9800);
    border-radius: 8px 8px 4px 4px;
    position: relative;
    transition: height 0.4s ease;
}

.chart-bar.revenue {
    background: linear-gradient(180deg, #ffe082, #ffb300);
}

.chart-bar.status-pending {
    background: linear-gradient(180deg, #ffe0b2, #ff9800);
}

.chart-bar.status-completed {
    background: linear-gradient(180deg, #c8e6c9, #4caf50);
}

.chart-bar.status-cancelled {
    background: linear-gradient(180deg, #ffcdd2, #f44336);
}

.chart-value {
    position: absolute;
    top: -22px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--black);
}

.chart-label {
    font-size: 0.75rem;
    color: #666;
}

.chart-legend {
    display: flex;
    gap: 1rem;
    margin-top: 0.75rem;
    font-size: 0.85rem;
    color: #555;
    flex-wrap: wrap;
}

.legend-item {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 3px;
    background: #ccc;
}

.legend-color.status-pending {
    background: #ff9800;
}

.legend-color.status-completed {
    background: #4caf50;
}

.legend-color.status-cancelled {
    background: #f44336;
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    background-color: var(--white);
    color: var(--black);
    border: 2px solid var(--orange-yellow);
    border-bottom: none;
    border-radius: 8px 8px 0 0;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s;
    /* Safari fix - prevent text overflow */
    box-sizing: border-box;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 120px;
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.tab-btn:hover {
    background-color: var(--light-gray);
}

.tab-btn.active {
    background-color: var(--orange-yellow);
    color: var(--black);
    border-color: var(--orange-yellow);
    border-bottom: 2px solid var(--orange-yellow);
    position: relative;
    z-index: 1;
}

.orders-table {
    width: 100%;
    background-color: var(--white);
    border-collapse: collapse;
    margin-top: 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.orders-table th,
.orders-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.orders-table th {
    background-color: var(--orange-yellow);
    color: var(--black);
    font-weight: bold;
}

.orders-table tr:hover {
    background-color: #f9f9f9;
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-block;
}

.status-pending {
    background-color: #fff3cd;
    color: #856404;
}

.status-completed {
    background-color: #d4edda;
    color: #155724;
}

.status-cancelled {
    background-color: #f8d7da;
    color: #721c24;
}

.order-details {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    border: 2px solid var(--orange-yellow);
    margin-top: 2rem;
}

.order-details h3 {
    color: var(--black);
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--orange-yellow);
    padding-bottom: 0.5rem;
}

.detail-row {
    display: grid;
    grid-template-columns: 150px 1fr;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #eee;
}

.detail-label {
    font-weight: 600;
    color: var(--medium-gray);
}

.detail-value {
    color: var(--black);
}

.detail-value strong {
    white-space: nowrap;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        text-align: center;
    }

    nav {
        justify-content: center;
        margin-top: 1rem;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-text {
        text-align: center;
    }

    .hero h2 {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .features {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .calculator-form,
    .order-form {
        padding: 1.5rem;
    }

    .sub-service-input {
        flex-direction: column;
        align-items: flex-start;
    }

    .sub-service-input input {
        width: 100%;
    }

    .orders-table {
        font-size: 0.85rem;
    }

    .orders-table th,
    .orders-table td {
        padding: 0.5rem;
    }

    .detail-row {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    /* Safari fix for buttons on mobile */
    .btn-primary {
        font-size: 1rem;
        padding: 0.875rem;
        min-height: auto;
    }

    .tab-btn {
        font-size: 0.9rem;
        padding: 0.6rem 1rem;
        min-width: 100px;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.5rem;
    }

    .motto {
        font-size: 0.8rem;
    }

    nav {
        gap: 0.5rem;
    }

    nav a {
        padding: 0.4rem 0.8rem;
        font-size: 0.9rem;
    }

    .hero {
        padding: 2rem 0;
    }

    .hero-content {
        grid-template-columns: 1fr;
    }

    .hero h2 {
        font-size: 1.5rem;
    }

    .services h2,
    .calculator h2,
    .order-form-section h2 {
        font-size: 1.8rem;
    }

    /* Safari fix for buttons on small screens */
    .btn-primary {
        font-size: 0.95rem;
        padding: 0.75rem;
    }

    .tab-btn {
        font-size: 0.85rem;
        padding: 0.5rem 0.75rem;
        min-width: 80px;
    }

    .admin-tabs {
        gap: 0.5rem;
    }
}

/* References Section */
.references-section {
    padding: 4rem 0;
    background: var(--light-gray);
}

.references-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.reference-item {
    background: var(--white);
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.reference-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.reference-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.reference-content {
    padding: 1.5rem;
}

.reference-content h3 {
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.reference-content p {
    color: var(--medium-gray);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.reference-category {
    display: inline-block;
    background: var(--orange-yellow);
    color: var(--black);
    padding: 0.3rem 0.8rem;
    border-radius: 1rem;
    font-size: 0.85rem;
    font-weight: 600;
}