/* Color Variables */
:root {
    --primary-color: #6A1B9A; /* Purple for rental theme */
    --secondary-color: #00BCD4;
    --accent-color: #CDDC39;
    --background-color: #F5F5F5;
    --text-color: #212121;
    --white: #FFFFFF;
    --light-gray: #F9F9F9;
    --medium-gray: #E0E0E0;
    --dark-gray: #757575;
    --success-color: #4CAF50;
    --warning-color: #FF9800;
    --error-color: #F44336;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.15);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

/* Dark Theme */
[data-theme="dark"] {
    --background-color: #121212;
    --text-color: #E0E0E0;
    --white: #1E1E1E;
    --light-gray: #2D2D2D;
    --medium-gray: #404040;
    --dark-gray: #B0B0B0;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.4);
}

/* Text Size Variables */
:root {
    --text-size-multiplier: 1;
}
[data-text-size="small"] {
    --text-size-multiplier: 0.875;
}
[data-text-size="medium"] {
    --text-size-multiplier: 1;
}
[data-text-size="large"] {
    --text-size-multiplier: 1.125;
}

:root {
    --footer-h: 64px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    font-size: calc(16px * var(--text-size-multiplier));
    padding-bottom: var(--footer-h);
}

.app-container {
    display: grid;
    grid-template-rows: 64px 1fr;
    grid-template-columns: 240px 1fr;
    grid-template-areas: "sidebar header" "sidebar main";
    min-height: 100vh;
}

/* Typography */
h1 {
    font-size: calc(32px * var(--text-size-multiplier));
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
}

h2 {
    font-size: calc(24px * var(--text-size-multiplier));
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 16px;
}

h3 {
    font-size: calc(20px * var(--text-size-multiplier));
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 12px;
}

h4 {
    font-size: calc(18px * var(--text-size-multiplier));
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 8px;
}

/* Top Bar */
.top-bar {
    grid-area: header;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 24px;
    background: var(--white);
    border-bottom: 1px solid var(--medium-gray);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    color: var(--primary-color);
    font-size: 32px;
}

.app-title {
    color: var(--text-color);
    font-size: calc(24px * var(--text-size-multiplier));
    font-weight: 600;
    margin: 0;
}

.profile-section {
    position: relative;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
}

.profile-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    text-align: right;
}

.profile-name {
    font-weight: 600;
    font-size: calc(14px * var(--text-size-multiplier));
    color: var(--text-color);
}

.profile-role {
    font-size: calc(12px * var(--text-size-multiplier));
    color: var(--dark-gray);
}

.profile-pic {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-color);
}

.profile-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--white);
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 1000;
}

.profile-section:hover .profile-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    padding: 12px 16px;
    cursor: pointer;
    transition: var(--transition);
    font-size: calc(14px * var(--text-size-multiplier));
}

.dropdown-item:hover {
    background: var(--light-gray);
}

/* Sidebar */
.sidebar {
    grid-area: sidebar;
    background: var(--white);
    border-right: 1px solid var(--medium-gray);
    padding: 24px 0;
    box-shadow: var(--shadow);
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-color);
    font-size: calc(14px * var(--text-size-multiplier));
    font-weight: 500;
}

.nav-item:hover {
    background: var(--light-gray);
}

.nav-item.active {
    background: var(--primary-color);
    color: var(--white);
}

.nav-item .material-symbols-outlined {
    font-size: 24px;
}

/* Main Content */
.main-content {
    grid-area: main;
    padding: 24px;
    overflow-y: auto;
    background: var(--background-color);
}

.section {
    display: none;
    animation: fadeIn 0.3s ease;
}

.section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.section-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--white);
    padding: 24px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition);
}

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

.stat-icon {
    background: var(--primary-color);
    color: var(--white);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-content h3 {
    font-size: calc(28px * var(--text-size-multiplier));
    font-weight: 700;
    color: var(--text-color);
    margin: 0;
}

.stat-content p {
    font-size: calc(14px * var(--text-size-multiplier));
    color: var(--dark-gray);
    margin: 0;
}

/* Dashboard Section */
.dashboard-section {
    background: var(--white);
    padding: 24px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 24px;
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--light-gray);
    border-radius: var(--border-radius);
    font-size: calc(14px * var(--text-size-multiplier));
}

.activity-item small {
    margin-left: auto;
    color: var(--dark-gray);
    font-size: calc(12px * var(--text-size-multiplier));
}

/* Quick Actions */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.quick-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px;
    background: var(--light-gray);
    border: 2px solid var(--medium-gray);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    color: var(--text-color);
}

.quick-action-btn:hover {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.quick-action-btn .material-symbols-outlined {
    font-size: 32px;
}

/* Forms */
.form-container {
    background: var(--white);
    padding: 32px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-color);
    font-size: calc(14px * var(--text-size-multiplier));
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px;
    border: 2px solid var(--medium-gray);
    border-radius: var(--border-radius);
    font-size: calc(14px * var(--text-size-multiplier));
    transition: var(--transition);
    background: var(--white);
    color: var(--text-color);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(106, 27, 154, 0.1);
}

.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 32px;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    font-size: calc(14px * var(--text-size-multiplier));
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.btn-primary:hover {
    background: #5A1A8A;
    transform: translateY(-1px);
    box-shadow: var(--shadow-hover);
}

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

.btn-secondary:hover {
    background: #00ACC1;
    transform: translateY(-1px);
    box-shadow: var(--shadow-hover);
}

/* Search Container */
.search-container {
    position: relative;
    display: flex;
    align-items: center;
}

.search-container input {
    padding: 12px 40px 12px 16px;
    border: 2px solid var(--medium-gray);
    border-radius: var(--border-radius);
    font-size: calc(14px * var(--text-size-multiplier));
    background: var(--white);
    color: var(--text-color);
    width: 300px;
}

.search-container .material-symbols-outlined {
    position: absolute;
    right: 12px;
    color: var(--dark-gray);
    pointer-events: none;
}

.form-select {
    padding: 12px;
    border: 2px solid var(--medium-gray);
    border-radius: var(--border-radius);
    font-size: calc(14px * var(--text-size-multiplier));
    background: var(--white);
    color: var(--text-color);
    cursor: pointer;
}

/* Tables */
.table-container {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    overflow-x: auto; /* Enable horizontal scrolling for tables */
        width: 100%;
}

table {
    width: 100%;
    min-width: 800px;
    border-collapse: collapse;
}

th, td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--medium-gray);
    font-size: calc(14px * var(--text-size-multiplier));
}

th {
    background: var(--light-gray);
    font-weight: 600;
    color: var(--text-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tr:hover {
    background: var(--light-gray);
}

.no-data {
    text-align: center;
    color: var(--dark-gray);
    font-style: italic;
}

.action-buttons {
    display: flex;
    gap: 8px;
}

.action-btn {
    padding: 6px 12px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: calc(12px * var(--text-size-multiplier));
    transition: var(--transition);
}

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

.action-btn.delete {
    background: var(--error-color);
    color: var(--white);
}

.action-btn:hover {
    transform: translateY(-1px);
}

/* Status Badges */
.status-badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: calc(12px * var(--text-size-multiplier));
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.paid {
    background: rgba(76, 175, 80, 0.1);
    color: var(--success-color);
}

.status-badge.outstanding {
    background: rgba(255, 152, 0, 0.1);
    color: var(--warning-color);
}

/* Tabs */
.tabs-container {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.tabs {
    display: flex;
    border-bottom: 1px solid var(--medium-gray);
}

.tab-button {
    padding: 16px 24px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: calc(14px * var(--text-size-multiplier));
    font-weight: 500;
    color: var(--dark-gray);
    transition: var(--transition);
}

.tab-button.active {
    color: var(--primary-color);
    border-bottom: 3px solid var(--primary-color);
}

.tab-content {
    display: none;
    padding: 24px;
}

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

/* Occupancy (Adapted from Attendance) */
.attendance-filters {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.attendance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}

.attendance-card {
    background: var(--light-gray);
    padding: 16px;
    border-radius: var(--border-radius);
    border: 2px solid var(--medium-gray);
    transition: var(--transition);
}

.attendance-card:hover {
    border-color: var(--primary-color);
}

.student-info h4 {
    margin-bottom: 4px;
}

.student-info p {
    margin: 2px 0;
    font-size: calc(12px * var(--text-size-multiplier));
    color: var(--dark-gray);
}

.attendance-controls {
    margin-top: 12px;
}

.attendance-toggle {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.attendance-toggle input[type="checkbox"] {
    display: none;
}

.toggle-slider {
    width: 50px;
    height: 24px;
    background: var(--medium-gray);
    border-radius: 12px;
    position: relative;
    transition: var(--transition);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--white);
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: var(--transition);
}

.attendance-toggle input[type="checkbox"]:checked + .toggle-slider {
    background: var(--success-color);
}

.attendance-toggle input[type="checkbox"]:checked + .toggle-slider::before {
    transform: translateX(26px);
}

.toggle-label {
    font-weight: 500;
    font-size: calc(14px * var(--text-size-multiplier));
}

/* Reports Grid */
.reports-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.report-card {
    background: var(--white);
    padding: 24px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.report-icon {
    background: var(--primary-color);
    color: var(--white);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.report-content h3 {
    margin-bottom: 8px;
    color: var(--text-color);
}

.report-content p {
    color: var(--dark-gray);
    margin-bottom: 16px;
    font-size: calc(14px * var(--text-size-multiplier));
}

.report-content .form-select {
    width: 100%;
    margin-bottom: 16px;
}

.date-range {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

/* Settings */
.settings-container {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.settings-section {
    background: var(--white);
    padding: 24px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.setting-item {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.setting-item label {
    font-weight: 500;
    color: var(--text-color);
    min-width: 200px;
    font-size: calc(14px * var(--text-size-multiplier));
}

.setting-item input,
.setting-item select {
    padding: 8px 12px;
    border: 2px solid var(--medium-gray);
    border-radius: var(--border-radius);
    font-size: calc(14px * var(--text-size-multiplier));
    background: var(--white);
    color: var(--text-color);
}

#save-settings {
  padding: 10px 28px;
  background-color: #2d8cff;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  transition: background 0.2s, box-shadow 0.2s;
  box-shadow: 0 1px 3px rgba(44,129,255,0.10);
  cursor: pointer;
  margin-top: 12px;
  margin-bottom: 10px;
}

#save-settings:hover, #save-settings:focus {
  background-color: #186dd6;
  box-shadow: 0 4px 16px rgba(44,129,255,0.18);
  outline: none;
}


/* Footer */
footer {
    background-color: #00539C;
    color: white;
    text-align: center;
    padding: 1rem;
    position: fixed;
    bottom: 0;
    width: 100%;
    font-size: 0.9rem;
    height: var(--footer-h);
}

/* Responsive Design */
@media (max-width: 768px) {
    .app-container {
        grid-template-columns: 1fr;
        grid-template-areas: "header" "main";
    }
    .sidebar {
        position: fixed;
        top: 64px;
        left: -240px;
        height: calc(100vh - 64px);
        transition: var(--transition);
        z-index: 99;
        
    }
    .sidebar.active {
        left: 0;
        
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .reports-grid {
        grid-template-columns: 1fr;
    }
    .attendance-grid {
        grid-template-columns: 1fr;
    }
    .section-header {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
    }
    .section-actions {
        width: 100%;
        flex-wrap: wrap;
    }
    .search-container input {
        width: 100%;
    }
    .setting-item {
        flex-direction: column;
        align-items: flex-start;
    }
    .setting-item label {
        min-width: auto;
    }
    .profile-info {
        display: none;
    }
    .attendance-filters {
        flex-direction: column;
    }
    .quick-actions {
        grid-template-columns: 1fr;
    }
    .table-container {
        overflow-x: auto;
        width: 100%;
    }
    table {
        min-width: 768px;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 16px;
    }
    .form-container {
        padding: 16px;
    }
    .attendance-card {
        padding: 12px;
    }
    .dashboard-section {
        padding: 16px;
    }
    footer {
        font-size: 0.8rem;
    }
}

/* Hamburger Menu Styles */
.hamburger {
    display: none; /* Hidden on large screens */
    background: none;
    border: none;
    cursor: pointer;
    font-size: 28px;
    color: var(--text-color);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .hamburger {
        display: block; /* Show burger on mobile */
        margin-left: auto; /* Align to right if needed */
    }
    .top-bar-left {
        flex: 1; /* Adjust spacing */
    }
    .table-container {
        overflow-x: auto; /* Enable horizontal scrolling for tables */
        width: 100%;
    }
    table {
        min-width: 800px; /* Force horizontal scroll if table is wide */
    }
}