@import url('https://fonts.googleapis.com/css2?family=Prompt:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-gradient: linear-gradient(135deg, #2563eb, #1d4ed8);
    --secondary-color: #10b981;
    --secondary-hover: #059669;
    --secondary-gradient: linear-gradient(135deg, #10b981, #059669);
    --background-light: #f1f5f9;
    --card-bg: #ffffff;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border-color: #cbd5e1;
    --danger-color: #ef4444;
    --danger-hover: #dc2626;
    --danger-gradient: linear-gradient(135deg, #ef4444, #dc2626);
    --warning-color: #f59e0b;
    --success-bg: #f0fdf4;
    --success-border: #bbf7d0;
    --success-text: #166534;
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px -1px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Prompt', sans-serif;
}

body {
    background-color: var(--background-light);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-size: 0.95rem;
}

/* Header & Navigation */
header {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 12px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-area img {
    width: 44px;
    height: 44px;
    object-fit: contain;
}

.logo-text h1 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--primary-color);
    line-height: 1.2;
}

.logo-text p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.nav-links {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 6px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
}

.nav-links a:hover {
    color: var(--primary-color);
    background-color: #eff6ff;
}

.nav-links a.active {
    color: white;
    background: var(--primary-gradient);
    box-shadow: var(--shadow-sm);
}

.nav-links a.admin-link {
    border: 1px dashed var(--border-color);
}

.nav-links a.admin-link:hover {
    background-color: #fffbeb;
    color: var(--warning-color);
    border-color: var(--warning-color);
}

.nav-links a.admin-link.active {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    border: none;
}

.menu-divider {
    color: var(--border-color);
    font-weight: 300;
    font-size: 1.25rem;
}

/* User Profile in Header */
.user-menu {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #f8fafc;
    padding: 6px 14px;
    border-radius: 9999px;
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
}

.user-menu img {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    border: 1.5px solid var(--primary-color);
}

/* Buttons */
.btn {
    padding: 8px 16px;
    border-radius: 6px;
    border: none;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 0.9rem;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background: #eff6ff;
}

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

.btn-danger:hover {
    background: var(--danger-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

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

.btn-success:hover {
    background: var(--secondary-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

/* Main Layout */
.container {
    max-width: 1400px;
    margin: 24px auto;
    padding: 0 24px;
    flex: 1;
    width: 100%;
}

.card {
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    padding: 24px;
    margin-bottom: 24px;
}

/* Dashboard Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    text-align: center;
    padding: 24px;
    transition: all 0.3s ease;
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-gradient);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.stat-card.stat-green::after {
    background: var(--secondary-gradient);
}
.stat-card.stat-green:hover {
    border-color: var(--secondary-color);
}
.stat-card.stat-orange::after {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}
.stat-card.stat-orange:hover {
    border-color: var(--warning-color);
}

.stat-card h3 {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 8px;
}

.stat-card .number {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.2;
}

/* Section Titles */
.section-title {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--text-main);
    border-left: 5px solid var(--primary-color);
    padding-left: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.section-title.admin-section {
    border-left-color: var(--warning-color);
}

/* Tables style */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
    font-size: 0.9rem;
}

th, td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background: #f8fafc;
    font-weight: 600;
    color: var(--text-muted);
    position: sticky;
    top: 0;
}

tbody tr:hover {
    background-color: #f8fafc;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.pagination-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
    cursor: pointer;
    font-size: 0.85rem;
}

.pagination-item:hover:not(.disabled) {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: #eff6ff;
}

.pagination-item.active {
    background: var(--primary-gradient);
    border-color: var(--primary-color);
    color: white;
    cursor: default;
}

.pagination-item.disabled {
    color: var(--text-muted);
    opacity: 0.5;
    cursor: not-allowed;
    background: #f1f5f9;
}

/* Badges */
.badge {
    padding: 4px 10px;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
    text-align: center;
}

.badge-pending { background: #fef3c7; color: #92400e; }
.badge-approved { background: #d1fae5; color: #065f46; }
.badge-rejected { background: #fee2e2; color: #991b1b; }
.badge-admin { background: #ddd6fe; color: #5b21b6; }
.badge-user { background: #e0f2fe; color: #075985; }

/* Filter Section */
.filter-section {
    display: flex;
    gap: 12px;
    align-items: flex-end;
    margin-bottom: 20px;
    flex-wrap: wrap;
    background: #f8fafc;
    padding: 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.filter-section .form-group {
    margin-bottom: 0;
    flex: 1;
    min-width: 150px;
}

/* Forms */
.form-container {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--text-main);
    font-size: 0.9rem;
}

.form-group label span.required {
    color: var(--danger-color);
}

.form-control {
    width: 100%;
    padding: 8px 14px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    background-color: #fff;
    color: var(--text-main);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-control:disabled {
    background-color: #f1f5f9;
    color: var(--text-muted);
    cursor: not-allowed;
}

textarea.form-control {
    resize: vertical;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
}

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-weight: 500;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.alert-success {
    background-color: var(--success-bg);
    color: var(--success-text);
    border: 1px solid var(--success-border);
}

.alert-danger {
    background-color: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fca5a5;
}

/* Tabs layout for Revenue (3.1 & 3.2) */
.tabs {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 20px;
    gap: 8px;
}

.tab-btn {
    padding: 10px 20px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-muted);
    transition: all 0.2s ease;
    font-size: 0.95rem;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}

.tab-btn:hover {
    color: var(--primary-color);
    background-color: #eff6ff;
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    font-weight: 600;
    background-color: white;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Officer Signatures in Print Preview (Hidden in standard screen) */
.signature-area {
    display: none;
}

/* Footer */
footer {
    background: var(--card-bg);
    padding: 20px 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

footer p {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-bottom: 4px;
}

/* Responsive Grid layouts */
.row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

@media(min-width: 768px) {
    .row-2 {
        grid-template-columns: 1fr 1fr;
    }
    .row-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}