/* =========================================
   Apartman Yönetim Sistemi - CSS
   Modern, Responsive, Glassmorphism Design
   ========================================= */

/* ===== CSS Variables ===== */
:root {
    /* Colors */
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --secondary: #ec4899;
    --accent: #14b8a6;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;

    /* Dark Theme */
    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #252542;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-glass: rgba(255, 255, 255, 0.08);

    /* Text */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);

    /* Borders */
    --border-color: rgba(255, 255, 255, 0.1);
    --border-light: rgba(255, 255, 255, 0.05);

    /* Gradients */
    --gradient-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-2: linear-gradient(135deg, #22c55e 0%, #14b8a6 100%);
    --gradient-3: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
    --gradient-4: linear-gradient(135deg, #ec4899 0%, #f43f5e 100%);
    --gradient-bg: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #252542 100%);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--gradient-bg);
    min-height: 100vh;
    overflow-x: hidden;
}

#app {
    min-height: 100vh;
}

/* ===== Utility Classes ===== */
.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.glass-nav {
    background: rgba(15, 15, 26, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

/* ===== Pages ===== */
.page {
    display: none;
    min-height: 100vh;
}

.page.active {
    display: block;
}

/* ===== Login Page ===== */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.login-card {
    width: 100%;
    max-width: 420px;
    padding: var(--spacing-2xl);
    position: relative;
    z-index: 10;
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.logo-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.login-header h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.login-header p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* Login Tabs */
.login-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xs);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.tab-btn {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-normal);
}

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

.tab-btn.active {
    background: var(--gradient-1);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

/* Login Forms */
.login-form {
    display: none;
}

.login-form.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

.input-wrapper {
    position: relative;
}

.input-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.25rem;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="date"],
select,
textarea {
    width: 100%;
    padding: var(--spacing-md);
    padding-left: 3rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: var(--transition-normal);
}

input:not([type="file"]):focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23888' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

textarea {
    padding-left: var(--spacing-md);
    resize: vertical;
    min-height: 100px;
}

.login-hint {
    text-align: center;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: var(--spacing-md);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-1);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%);
    color: var(--text-primary);
}

.btn-full {
    width: 100%;
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn-icon {
    font-size: 1.25rem;
    transition: var(--transition-normal);
}

.btn:hover .btn-icon {
    transform: translateX(3px);
}

/* Floating Shapes */
.login-decoration {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    background: var(--gradient-1);
    opacity: 0.1;
    animation: floatShape 20s ease-in-out infinite;
}

.shape-1 {
    width: 400px;
    height: 400px;
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.shape-2 {
    width: 300px;
    height: 300px;
    bottom: -150px;
    left: -100px;
    background: var(--gradient-4);
    animation-delay: -5s;
}

.shape-3 {
    width: 200px;
    height: 200px;
    top: 50%;
    right: 20%;
    background: var(--gradient-2);
    animation-delay: -10s;
}

@keyframes floatShape {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }

    25% {
        transform: translate(20px, -20px) rotate(5deg);
    }

    50% {
        transform: translate(-10px, 20px) rotate(-5deg);
    }

    75% {
        transform: translate(-20px, -10px) rotate(3deg);
    }
}

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-xl);
    height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav-logo {
    font-size: 1.75rem;
}

.nav-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.apartment-badge {
    background: var(--gradient-1);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    margin-left: var(--spacing-sm);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-glass);
}

.nav-link.active {
    color: var(--text-primary);
    background: var(--gradient-1);
}

.nav-link.logout-link {
    margin-left: var(--spacing-md);
    color: var(--danger);
}

.nav-link.logout-link:hover {
    background: rgba(239, 68, 68, 0.1);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-normal);
}

/* ===== Main Content ===== */
.main-content {
    padding: calc(70px + var(--spacing-xl)) var(--spacing-xl) var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
}

/* ===== Sections ===== */
.section {
    display: none;
}

.section.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.section-header h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
}

.section-header p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    width: 100%;
}

/* ===== Stats Grid ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    padding: var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.1;
    transition: var(--transition-normal);
}

.stat-card.gradient-1::before {
    background: var(--gradient-1);
}

.stat-card.gradient-2::before {
    background: var(--gradient-2);
}

.stat-card.gradient-3::before {
    background: var(--gradient-3);
}

.stat-card.gradient-4::before {
    background: var(--gradient-4);
}

.stat-card:hover::before {
    opacity: 0.2;
}

.stat-icon {
    font-size: 2.5rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    border-radius: var(--radius-md);
}

.stat-info h3 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-info p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* ===== Dashboard Grid ===== */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.dashboard-card {
    padding: var(--spacing-xl);
}

.dashboard-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.recent-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.recent-item {
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--primary);
}

.recent-item h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.recent-item p {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: var(--spacing-xl);
    font-size: var(--font-size-sm);
}

/* ===== Filter Bar ===== */
.filter-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filter-group label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.filter-group select {
    padding: var(--spacing-sm) var(--spacing-lg) var(--spacing-sm) var(--spacing-md);
    padding-left: var(--spacing-md);
    min-width: 120px;
}

/* ===== Bills Grid ===== */
.bills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.bill-card {
    padding: var(--spacing-xl);
    position: relative;
    transition: var(--transition-normal);
}

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

.bill-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.bill-month {
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.bill-year {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.bill-amount {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-light);
    margin-bottom: var(--spacing-md);
}

.bill-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.bill-actions .btn {
    flex: 1;
}

/* ===== Dues Table ===== */
.dues-summary {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.summary-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.summary-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.summary-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--success);
}

.summary-value.warning {
    color: var(--warning);
}

.due-input {
    width: 100px;
    padding: var(--spacing-sm);
    padding-left: var(--spacing-sm) !important;
    text-align: center;
}

.dues-table-container {
    padding: var(--spacing-lg);
    overflow: hidden;
}

.table-scroll {
    overflow-x: auto;
}

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

.dues-table th,
.dues-table td {
    padding: var(--spacing-md);
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.dues-table th {
    background: var(--bg-secondary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
    position: sticky;
    top: 0;
}

.dues-table th:first-child,
.dues-table td:first-child {
    text-align: left;
    font-weight: 600;
    position: sticky;
    left: 0;
    background: var(--bg-tertiary);
    z-index: 1;
}

.dues-table tbody tr:hover {
    background: var(--bg-glass);
}

/* Due Status Toggle */
.due-toggle {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: 2px solid var(--border-color);
    background: transparent;
    cursor: pointer;
    transition: var(--transition-normal);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.due-toggle:hover {
    border-color: var(--primary);
}

.due-toggle.paid {
    background: var(--success);
    border-color: var(--success);
    color: white;
}

.due-toggle.unpaid {
    background: transparent;
    border-color: var(--danger);
    color: var(--danger);
}

.year-select {
    padding: var(--spacing-sm) var(--spacing-lg);
    padding-left: var(--spacing-md) !important;
    font-weight: 600;
}

/* ===== Decisions List ===== */
.decisions-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.decision-card {
    padding: var(--spacing-xl);
    position: relative;
    border-left: 4px solid var(--primary);
}

.decision-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.decision-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.decision-date {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    white-space: nowrap;
}

.decision-content {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.7;
    white-space: pre-wrap;
}

.decision-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

/* ===== Resident Dashboard ===== */
.resident-stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.large-card {
    padding: var(--spacing-2xl);
}

.large-card .stat-info h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
}

.due-status {
    margin-top: var(--spacing-sm);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.status-badge.paid {
    background: rgba(34, 197, 94, 0.2);
    color: var(--success);
}

.status-badge.unpaid {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

.resident-dues-card {
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.resident-dues-card h3 {
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-lg);
}

.resident-dues-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--spacing-md);
}

.month-status {
    padding: var(--spacing-md);
    text-align: center;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    transition: var(--transition-normal);
}

.month-status.paid {
    border-color: var(--success);
    background: rgba(34, 197, 94, 0.1);
}

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

.month-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.month-icon {
    font-size: 1.25rem;
}

/* ===== Modals ===== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal.active {
    display: flex;
    animation: fadeIn 0.2s ease;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

.modal-content.large-modal {
    max-width: 800px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition-normal);
}

.modal-close:hover {
    background: var(--danger);
    color: white;
}

.modal-form {
    padding: var(--spacing-xl);
}

.modal-body {
    padding: var(--spacing-xl);
}

.modal-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* File Upload */
.file-upload-wrapper {
    position: relative;
}

.file-upload-wrapper input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.file-upload-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xl);
    background: var(--bg-secondary);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.file-upload-wrapper:hover .file-upload-label {
    border-color: var(--primary);
    background: var(--bg-tertiary);
}

.upload-icon {
    font-size: 1.5rem;
}

.upload-text {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.file-preview {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    display: none;
}

.file-preview.active {
    display: block;
}

.file-preview img {
    max-width: 100%;
    max-height: 200px;
    border-radius: var(--radius-sm);
}

.file-preview .file-name {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Bill Viewer */
.bill-viewer {
    text-align: center;
}

.bill-viewer img {
    max-width: 100%;
    max-height: 60vh;
    border-radius: var(--radius-md);
}

.bill-viewer iframe {
    width: 100%;
    height: 60vh;
    border: none;
    border-radius: var(--radius-md);
}

.bill-viewer .bill-info {
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.bill-viewer .bill-info p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.bill-viewer .bill-info strong {
    color: var(--text-primary);
}

/* ===== Toast Notifications ===== */
.toast-container {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary);
    box-shadow: var(--shadow-lg);
    animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.toast.success {
    border-color: var(--success);
}

.toast.warning {
    border-color: var(--warning);
}

.toast.error {
    border-color: var(--danger);
}

.toast-icon {
    font-size: 1.25rem;
}

.toast-message {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

/* ===== Responsive Design ===== */
@media (max-width: 1200px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .resident-dues-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: var(--spacing-md);
    }

    .nav-title {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        border-bottom: 1px solid var(--border-color);
        flex-direction: column;
        padding: var(--spacing-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-normal);
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        width: 100%;
        justify-content: flex-start;
    }

    .nav-link.logout-link {
        margin-left: 0;
        margin-top: var(--spacing-md);
        padding-top: var(--spacing-md);
        border-top: 1px solid var(--border-color);
    }

    .main-content {
        padding: calc(70px + var(--spacing-lg)) var(--spacing-md) var(--spacing-lg);
    }

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

    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .dues-summary {
        flex-direction: column;
        align-items: flex-start;
    }

    .resident-dues-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .filter-bar {
        flex-direction: column;
        align-items: flex-start;
    }

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

@media (max-width: 480px) {
    .login-card {
        padding: var(--spacing-lg);
    }

    .logo-icon {
        font-size: 3rem;
    }

    .login-header h1 {
        font-size: var(--font-size-xl);
    }

    .stat-card {
        padding: var(--spacing-lg);
    }

    .stat-icon {
        font-size: 2rem;
        width: 48px;
        height: 48px;
    }

    .stat-info h3 {
        font-size: var(--font-size-2xl);
    }

    .resident-dues-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .modal-content {
        margin: var(--spacing-md);
    }

    .apartment-badge {
        display: none;
    }
}

/* ===== Charts ===== */
.charts-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.chart-card {
    padding: var(--spacing-xl);
}

.chart-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.chart-container {
    position: relative;
    height: 280px;
    width: 100%;
}

.chart-container.pie-container {
    height: 250px;
    max-width: 350px;
    margin: 0 auto;
}

.chart-legend {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.balance-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.balance-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--success);
}

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

/* ===== 3-Column Dashboard Grid ===== */
.dashboard-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.compact-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-height: 300px;
    overflow-y: auto;
}

.compact-item {
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--primary);
    cursor: pointer;
    transition: var(--transition-normal);
}

.compact-item:hover {
    background: var(--bg-tertiary);
    transform: translateX(4px);
}

.compact-item h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.compact-item p {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===== Finance/Transactions ===== */
.finance-summary {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.summary-value.success {
    color: var(--success);
}

.transactions-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.transaction-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.transaction-card:hover {
    background: var(--bg-tertiary);
}

.transaction-card.income {
    border-left: 4px solid var(--success);
}

.transaction-card.expense {
    border-left: 4px solid var(--danger);
}

.transaction-info {
    flex: 1;
}

.transaction-info h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.transaction-info p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.transaction-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--spacing-xs);
}

.transaction-amount {
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.transaction-amount.income {
    color: var(--success);
}

.transaction-amount.expense {
    color: var(--danger);
}

.transaction-date {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.transaction-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-left: var(--spacing-lg);
}

/* ===== Maintenance List ===== */
.maintenance-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.maintenance-card {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.maintenance-card:hover {
    background: var(--bg-tertiary);
}

.maintenance-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-3);
    border-radius: var(--radius-md);
    font-size: 1.5rem;
}

.maintenance-info {
    flex: 1;
}

.maintenance-info h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.maintenance-info p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.maintenance-date {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.maintenance-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* ===== Tasks List ===== */
.task-filters {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-normal);
}

.filter-btn:hover {
    border-color: var(--primary);
    color: var(--text-primary);
}

.filter-btn.active {
    background: var(--gradient-1);
    border-color: transparent;
    color: var(--text-primary);
}

.tasks-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.task-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.task-card:hover {
    background: var(--bg-tertiary);
}

.task-status-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    font-size: 1.25rem;
}

.task-status-icon.pending {
    background: rgba(245, 158, 11, 0.2);
}

.task-status-icon.in_progress {
    background: rgba(99, 102, 241, 0.2);
}

.task-status-icon.completed {
    background: rgba(34, 197, 94, 0.2);
}

.task-info {
    flex: 1;
}

.task-info h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.task-info p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.task-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--spacing-sm);
}

.task-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Status Badges */
.status-badge-sm {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.status-badge-sm.pending {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.status-badge-sm.in_progress {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-light);
}

.status-badge-sm.completed {
    background: rgba(34, 197, 94, 0.2);
    color: var(--success);
}

/* Priority Badges */
.priority-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.priority-badge.low {
    background: rgba(148, 163, 184, 0.2);
    color: #94a3b8;
}

.priority-badge.medium {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.priority-badge.high {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

/* ===== Form Row ===== */
.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

/* ===== Task Detail Modal ===== */
.task-detail-header {
    margin-bottom: var(--spacing-lg);
}

.task-detail-header h4 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.task-detail-badges {
    display: flex;
    gap: var(--spacing-sm);
}

.task-detail-content {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.task-detail-content h5 {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.task-detail-content p {
    font-size: var(--font-size-base);
    color: var(--text-primary);
    white-space: pre-wrap;
}

/* ===== Responsive Adjustments for New Features ===== */
@media (max-width: 1200px) {
    .dashboard-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .dashboard-grid-3 {
        grid-template-columns: 1fr;
    }

    .transaction-card {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .transaction-meta {
        flex-direction: row;
        align-items: center;
        width: 100%;
        justify-content: space-between;
    }

    .transaction-actions {
        margin-left: 0;
        width: 100%;
    }

    .transaction-actions .btn {
        flex: 1;
    }

    .task-filters {
        flex-wrap: wrap;
    }

    .maintenance-card {
        flex-direction: column;
    }

    .task-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .task-meta {
        flex-direction: row;
        width: 100%;
        justify-content: space-between;
        align-items: center;
    }

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

/* ===== Print Styles ===== */
@media print {

    .navbar,
    .btn,
    .modal,
    .toast-container {
        display: none !important;
    }

    .main-content {
        padding: 0;
    }

    .glass-card {
        background: white;
        border: 1px solid #ddd;
    }
}