:root {
    /* Primary Colors - Construction Theme */
    --primary-color: #2a7de1;
    --primary-dark: #1a5db0;
    --primary-light: #e8f2ff;
    /* Secondary Colors */
    --secondary-color: #ff9800;
    --secondary-dark: #e68900;
    --secondary-light: #fff3e0;
    /* Status Colors */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #3b82f6;
    /* Neutral Colors */
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition: 250ms ease;
    --transition-slow: 350ms ease;
}


/* Reset & Base Styles */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--light-color);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}


/* Material Icons */

.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    vertical-align: middle;
}


/* Layout Components */

.app-container {
    min-height: 100vh;
    display: flex;
}


/* Sidebar */

.sidebar {
    width: 260px;
    background: white;
    border-right: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 1000;
    transition: transform var(--transition);
    box-shadow: var(--shadow);
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.sidebar-brand {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-800);
    letter-spacing: -0.025em;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
}

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

.nav-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--gray-500);
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
    padding-left: 0.75rem;
}

.nav-items {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition);
}

.nav-link:hover {
    background-color: var(--gray-100);
    color: var(--primary-color);
}

.nav-link.active {
    background-color: var(--primary-light);
    color: var(--primary-color);
    font-weight: 600;
}

.nav-link.active .material-symbols-outlined {
    font-variation-settings: 'FILL' 1;
}

.nav-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--gray-200);
    object-fit: cover;
}

.user-info {
    flex: 1;
}

.user-name {
    font-weight: 600;
    color: var(--gray-800);
    font-size: 0.9375rem;
}

.user-role {
    font-size: 0.75rem;
    color: var(--gray-500);
}


/* Main Content Area */

.main-content {
    flex: 1;
    margin-left: 260px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}


/* Top Header */

.main-header {
    background: white;
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--gray-600);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius);
}

.menu-toggle:hover {
    background: var(--gray-100);
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-800);
    margin: 0;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}


/* Dashboard Cards */

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.card {
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--gray-100);
    background: var(--gray-50);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-800);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-body {
    padding: 1.5rem;
}


/* Time Card */

.time-card {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    text-align: center;
}

.time-display {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.5rem;
    letter-spacing: -0.025em;
}

.time-label {
    font-size: 1rem;
    font-weight: 500;
    opacity: 0.9;
}

.time-period {
    font-size: 1rem;
    font-weight: 500;
    opacity: 0.8;
}


/* Stats Grid */

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

.stat-card {
    text-align: center;
    padding: 1.25rem;
    border-radius: var(--radius);
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    font-weight: 500;
}


/* Action Buttons */

.action-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.btn {
    padding: 0.875rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.9375rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
    line-height: 1;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--secondary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-success {
    background-color: var(--success-color);
    color: white;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover:not(:disabled) {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}


/* Task List */

.task-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.task-item {
    padding: 1.25rem;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    background: white;
    transition: all var(--transition);
}

.task-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow);
}

.task-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

.task-title {
    font-weight: 600;
    color: var(--gray-800);
    font-size: 1.0625rem;
    margin-bottom: 0.25rem;
}

.task-meta {
    display: flex;
    gap: 1rem;
    color: var(--gray-600);
    font-size: 0.875rem;
}

.task-meta-item {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.task-status {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.status-active {
    background-color: var(--primary-light);
    color: var(--primary-color);
}

.status-completed {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.status-pending {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.status-urgent {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}


/* Receipt Gallery */

.receipt-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.receipt-card {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    background: white;
    transition: all var(--transition);
}

.receipt-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.receipt-image {
    height: 180px;
    background-color: var(--gray-100);
    background-size: cover;
    background-position: center;
    position: relative;
}

.receipt-badge {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    background: white;
    box-shadow: var(--shadow);
}

.receipt-content {
    padding: 1.25rem;
}

.receipt-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--gray-800);
}

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

.receipt-amount {
    font-weight: 700;
    color: var(--gray-900);
    font-size: 1.125rem;
}

.receipt-date {
    color: var(--gray-600);
    font-size: 0.875rem;
}

.receipt-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.receipt-tag {
    padding: 0.25rem 0.75rem;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--gray-700);
    padding: 10px 20px;
}


/* Time Logs */

.time-log {
    padding: 1.25rem;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    margin-bottom: 1rem;
    background: white;
}

.time-log-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.time-log-date {
    font-weight: 600;
    color: var(--gray-800);
    font-size: 1.0625rem;
}

.time-log-items {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.time-log-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--gray-50);
    border-radius: var(--radius);
}

.time-log-info {
    flex: 1;
}

.time-log-project {
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.25rem;
}

.time-log-location {
    color: var(--gray-600);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.time-log-hours {
    background: var(--primary-light);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 1.125rem;
}


/* Photo Upload */

.upload-area {
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius);
    padding: 3rem;
    text-align: center;
    background: var(--gray-50);
    cursor: pointer;
    transition: all var(--transition);
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: var(--primary-light);
}

.upload-icon {
    width: 64px;
    height: 64px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: var(--primary-color);
    font-size: 2rem;
    box-shadow: var(--shadow);
}

.upload-preview {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.preview-item {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 1;
}

.preview-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: var(--gray-200);
}

.preview-number {
    position: absolute;
    top: 0.5rem;
    left: 0.5rem;
    width: 24px;
    height: 24px;
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
}

.preview-remove {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 32px;
    height: 32px;
    background: rgba(239, 68, 68, 0.9);
    color: white;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition);
}

.preview-remove:hover {
    background: var(--danger-color);
    transform: scale(1.1);
}


/* Login Page */

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-light) 0%, white 100%);
    padding: 2rem;
}

.login-card {
    width: 100%;
    max-width: 400px;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.login-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    text-align: center;
    padding: 1.5rem 2rem;
}

.login-logo {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2.5rem;
}

.login-body {
    padding: 1rem;
}

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

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--gray-700);
}

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: all var(--transition);
    background: white;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(42, 125, 225, 0.1);
}

.form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-check-input {
    width: 1rem;
    height: 1rem;
}

.form-check-label {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.form-link {
    font-size: 0.875rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.form-link:hover {
    text-decoration: underline;
}

.login-footer {
    text-align: center;
    padding: 1.5rem;
    border-top: 1px solid var(--gray-200);
    color: var(--gray-600);
    font-size: 0.875rem;
}


/* Content Wrapper */

.content-wrapper {
    flex: 1;
    padding: 2rem;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
}


/* Favorite Button */

.favorite-btn {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition);
    z-index: 2;
}

.favorite-btn:hover {
    background: white;
    transform: scale(1.1);
}

.favorite-btn.active {
    background: white;
}

.favorite-btn.active .material-symbols-outlined {
    font-variation-settings: 'FILL' 1;
    color: #fbbf24;
}


/* Utility Classes */

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

.text-primary {
    color: var(--primary-color);
}

.text-success {
    color: var(--success-color);
}

.text-warning {
    color: var(--warning-color);
}

.text-danger {
    color: var(--danger-color);
}

.text-muted {
    color: var(--gray-600);
}

.bg-primary {
    background-color: var(--primary-color);
}

.bg-success {
    background-color: var(--success-color);
}

.bg-warning {
    background-color: var(--warning-color);
}

.bg-danger {
    background-color: var(--danger-color);
}

.mb-1 {
    margin-bottom: 0.5rem;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-3 {
    margin-bottom: 1.5rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

.mt-1 {
    margin-top: 0.5rem;
}

.mt-2 {
    margin-top: 1rem;
}

.mt-3 {
    margin-top: 1.5rem;
}

.mt-4 {
    margin-top: 2rem;
}

.p-3 {
    padding: 1.5rem;
}

.p-4 {
    padding: 2rem;
}

.rounded {
    border-radius: var(--radius);
}

.rounded-lg {
    border-radius: var(--radius-lg);
}

.shadow {
    box-shadow: var(--shadow);
}

.shadow-lg {
    box-shadow: var(--shadow-lg);
}

.flex {
    display: flex;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-2 {
    gap: 0.5rem;
}

.gap-3 {
    gap: 1rem;
}

.gap-4 {
    gap: 1.5rem;
}


/* Animations */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

.animate-fadeIn {
    animation: fadeIn 0.3s ease forwards;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

.animate-slideIn {
    animation: slideIn 0.3s ease forwards;
}


/* Responsive Design */

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.active {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
    }
    .menu-toggle {
        display: block;
    }
    .header-left {
        width: 100%;
        justify-content: space-between;
    }
}

@media (max-width: 768px) {
    .content-wrapper {
        padding: 1rem;
    }
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    .time-display {
        font-size: 2.5rem;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .action-buttons {
        grid-template-columns: 1fr;
    }
    .receipt-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    .header-content {
        padding: 0 1rem;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .receipt-grid {
        grid-template-columns: 1fr;
    }
    .time-log-item {
        flex-direction: column;
        gap: 0.75rem;
        align-items: flex-start;
    }
    .time-log-hours {
        align-self: flex-end;
    }
    .login-body {
        padding: 1.5rem;
    }
}


/* Overlay for mobile sidebar */

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    display: none;
}

.sidebar-overlay.active {
    display: block;
}

.profile-img {
    width: 80px;
    height: 80px;
    object-fit: cover;
}

.card iframe {
    border-radius: 0.5rem;
}

.site-link:hover {
    background-color: rgba(0, 0, 0, 0.03);
}