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

:root {
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.1);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-primary: #3b82f6;
    --accent-hover: #2563eb;
    --accent-secondary: #8b5cf6;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --success: #10b981;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-gradient);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow-x: hidden;
}

/* Typography */
h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, #60a5fa, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-align: center;
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Layout */
header {
    width: 100%;
    padding: 2rem;
    text-align: center;
}

/* Navigation Bar */
.navbar {
    width: 100%;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--card-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(to right, #60a5fa, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: inline-block;
}

.nav-links a:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
}

/* Dropdown */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropbtn {
    cursor: pointer;
}

.dropdown-content {
    display: none;
    position: absolute;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    min-width: 220px;
    box-shadow: 0px 8px 30px rgba(0,0,0,0.3);
    z-index: 101;
    border-radius: 8px;
    border: 1px solid var(--card-border);
    top: 150%;
    left: -50px;
    padding: 0.5rem 0;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.dropdown:hover .dropdown-content {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.dropdown-content a {
    color: var(--text-primary);
    padding: 0.75rem 1.25rem;
    text-decoration: none;
    display: block;
    font-size: 0.95rem;
    transition: background-color 0.2s ease, padding-left 0.2s ease;
}

.dropdown-content a:hover {
    background-color: rgba(59, 130, 246, 0.2);
    padding-left: 1.5rem;
    color: var(--accent-primary);
}

.container {
    width: 100%;
    max-width: 1200px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.dashboard-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
}

/* Glassmorphism Card */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.nav-card {
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 200px;
    gap: 1rem;
    position: relative;
    overflow: hidden;
    flex: 1 1 300px;
    max-width: 400px;
}

.nav-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(to right, var(--accent-primary), var(--accent-secondary));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-card:hover::before {
    opacity: 1;
}

.nav-icon {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

/* Forms & Inputs */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

input, select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--accent-primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

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

.btn-outline {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid var(--card-border);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-primary {
    background: var(--accent-primary);
    color: white;
    width: 100%;
}

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-danger {
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
}

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

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 2rem;
    transition: color 0.3s ease;
}

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

/* Lists and Tables */
.record-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.5rem;
}

.record-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    border: 1px solid var(--card-border);
    animation: fadeIn 0.3s ease forwards;
}

.record-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.record-title {
    font-weight: 600;
    font-size: 1.1rem;
}

.record-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.record-amount {
    font-weight: 700;
    font-size: 1.2rem;
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
}

.status-present {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-absent {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.expense-positive { color: var(--success); }
.expense-negative { color: var(--danger); }

/* Stats Summary */
.stats-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-box {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 0.5rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

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

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    .dashboard-grid { grid-template-columns: 1fr; }
    .stats-container { grid-template-columns: 1fr; }
    .navbar { flex-direction: column; gap: 1rem; padding: 1rem; }
}