/* style.css - Modern Glassmorphism UI */

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

:root {
    --bg: #f0f4ff;
    --glass: rgba(255, 255, 255, 0.6);
    --glass-border: rgba(255, 255, 255, 0.3);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    --text: #1e293b;
    --text-light: #475569;
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --card-bg: rgba(255, 255, 255, 0.7);
    --radius: 16px;
    transition: all 0.3s ease;
}

body.dark {
    --bg: #0f172a;
    --glass: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --text: #e2e8f0;
    --text-light: #94a3b8;
    --card-bg: rgba(30, 41, 59, 0.8);
    --primary: #818cf8;
    --primary-hover: #6366f1;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    transition: background 0.3s, color 0.3s;
}

/* Glass effect */
.glass {
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow);
}

/* Screens */
.screen { display: none; }
.screen.active { display: block; }

/* Login */
.login-card {
    max-width: 400px;
    margin: 8vh auto;
    padding: 2.5rem;
    border-radius: var(--radius);
    text-align: center;
}
.login-logo {
    max-width: 120px;
    height: auto;
    display: block;
    margin: 0 auto 1rem;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
body.dark .login-logo {
    filter: brightness(0.9) invert(1);
}
.login-card h1 { font-weight: 700; font-size: 2rem; margin-bottom: 0.5rem; }
.login-card p { color: var(--text-light); margin-bottom: 1.5rem; }
.login-card input {
    width: 100%;
    padding: 0.8rem 1rem;
    margin: 0.5rem 0;
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(4px);
    color: var(--text);
    font-size: 1rem;
}
body.dark .login-card input { background: rgba(0,0,0,0.3); }
.login-card button {
    width: 100%;
    padding: 0.8rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.2s;
}
.login-card button:hover { background: var(--primary-hover); }
.error { color: #ef4444; margin-top: 0.5rem; font-size: 0.9rem; }

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 2rem;
    border-radius: 0 0 var(--radius) var(--radius);
    margin: 0 1rem 1rem 1rem;
}
.logo { display: flex; align-items: center; gap: 0.8rem; font-weight: 600; font-size: 1.2rem; }
.role-badge {
    background: var(--primary);
    color: white;
    padding: 0.2rem 0.8rem;
    border-radius: 20px;
    font-size: 0.7rem;
    text-transform: uppercase;
}
.actions { display: flex; gap: 0.5rem; }
.icon-btn {
    background: none;
    border: none;
    font-size: 1.3rem;
    cursor: pointer;
    padding: 0.3rem 0.6rem;
    border-radius: 8px;
    transition: background 0.2s;
}
.icon-btn:hover { background: var(--glass); }

/* Navigation */
nav {
    display: flex;
    gap: 0.3rem;
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius);
    margin: 0 1rem 1.5rem 1rem;
    flex-wrap: wrap;
    overflow-x: auto;
}
.nav-btn {
    padding: 0.5rem 1.2rem;
    border: none;
    border-radius: 20px;
    background: transparent;
    font-weight: 500;
    color: var(--text);
    cursor: pointer;
    transition: 0.2s;
    white-space: nowrap;
}
.nav-btn:hover { background: var(--glass); }
.nav-btn.active {
    background: var(--primary);
    color: white;
}

/* Main content */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem 2rem;
}

/* Cards */
.card {
    background: var(--card-bg);
    backdrop-filter: blur(4px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    margin-bottom: 1rem;
    transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(0,0,0,0.12); }
.card h3 { margin-bottom: 0.5rem; }
.card p { color: var(--text-light); margin: 0.2rem 0; }
.card a { color: var(--primary); text-decoration: none; }
.card button {
    margin: 0.2rem;
    padding: 0.3rem 0.8rem;
    border: none;
    border-radius: 8px;
    background: var(--glass);
    color: var(--text);
    cursor: pointer;
    transition: 0.2s;
    font-size: 0.85rem;
}
.card button:hover { background: var(--primary); color: white; }

/* Dashboard grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}
.year-badge {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 0.2rem 0.8rem;
    border-radius: 20px;
    margin: 0.2rem;
    font-size: 0.8rem;
}

/* Forms */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.2rem;
    margin: 1rem 0;
}
.form-group {
    display: flex;
    flex-direction: column;
}
.form-group label {
    font-weight: 600;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-light);
    margin-bottom: 0.2rem;
}
.form-group input, .form-group select, .form-group textarea {
    padding: 0.6rem 0.8rem;
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(4px);
    color: var(--text);
    font-size: 0.95rem;
    transition: border 0.2s;
}
body.dark .form-group input,
body.dark .form-group select,
body.dark .form-group textarea { background: rgba(0,0,0,0.3); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}
form button[type="submit"] {
    grid-column: 1 / -1;
    padding: 0.8rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}
form button[type="submit"]:hover { background: var(--primary-hover); }

.photo-upload {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}
.photo-upload img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary);
}
.photo-upload button {
    padding: 0.4rem 1.2rem;
    background: var(--glass);
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

/* Modal */
.modal {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}
.modal-content {
    max-width: 600px;
    width: 90%;
    padding: 2rem;
    border-radius: var(--radius);
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}
.close-btn {
    position: absolute;
    top: 10px; right: 16px;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--text-light);
}
.close-btn:hover { color: #ef4444; }

/* Empty state */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    background: var(--card-bg);
    border-radius: var(--radius);
}
.empty-state button {
    margin-top: 1rem;
    padding: 0.6rem 1.8rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
}

/* Responsive */
@media (max-width: 768px) {
    header { flex-direction: column; gap: 0.5rem; text-align: center; }
    nav { justify-content: center; }
    .form-grid { grid-template-columns: 1fr; }
    .dashboard-grid { grid-template-columns: 1fr; }
}