/* ===== LANDING PAGE ===== */
.landing-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #1e40af 0%, #3b0764 100%);
    padding: 2rem;
}

.landing-container { max-width: 1200px; margin: 0 auto; }

.landing-header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 3rem;
    background: rgba(255,255,255,0.95);
    border-radius: 2rem;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
    backdrop-filter: blur(8px);
}

.landing-logo i {
    font-size: 5rem;
    background: linear-gradient(135deg, #059669, #2563eb);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    margin-bottom: 1rem;
}

.landing-logo h1 {
    font-size: clamp(2.5rem, 8vw, 4rem);
    font-weight: 800;
    background: linear-gradient(135deg, #059669, #2563eb);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.landing-logo .ai { 
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.hero-card {
    background: white;
    border-radius: 2rem;
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
}

.hero-card h2 {
    color: #1e293b;
    font-size: clamp(1.5rem, 5vw, 2.5rem);
    margin-bottom: 1rem;
}

.hero-description {
    color: #64748b;
    max-width: 600px;
    margin: 0 auto 2rem;
    font-size: 1.1rem;
}

/* ===== ROLE CARDS ===== */
.role-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.role-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 3px solid transparent;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    position: relative;
    overflow: hidden;
}

.role-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent, currentColor, transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.role-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.role-card:hover::before { opacity: 1; }
.role-card.admin { border-color: var(--accent-red); color: var(--accent-red); }
.role-card.teacher { border-color: var(--accent-blue); color: var(--accent-blue); }
.role-card.parent { border-color: var(--accent-yellow); color: var(--accent-yellow); }
.role-card.student { border-color: var(--accent-green); color: var(--accent-green); }
.role-card.super { border-color: var(--accent-purple); color: var(--accent-purple); background: #f5f3ff; }

.role-card i { font-size: 3rem; margin-bottom: 1rem; }
.role-card h4 { font-size: 1.5rem; margin-bottom: 0.5rem; color: var(--text-primary); }
.role-card p { color: var(--text-secondary); font-size: 0.9rem; }

/* ===== LOGIN PAGES ===== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

.login-container { width: 100%; max-width: 1000px; }

.login-header { 
    text-align: center; 
    margin-bottom: 2rem; 
    color: white; 
}

.login-header i { 
    font-size: 4rem; 
    margin-bottom: 1rem; 
    opacity: 0.9; 
}

.login-header h1 { 
    font-size: clamp(2rem, 6vw, 3rem); 
    font-weight: 700; 
}

.login-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    background: var(--bg-card);
    border-radius: 2rem;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.login-card {
    padding: 3rem;
    background: var(--bg-card);
}

.login-card h2 {
    margin-bottom: 2rem;
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
}

.form-group { margin-bottom: 1.5rem; }

.form-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid var(--border-medium);
    border-radius: 1rem;
    font-size: 1rem;
    transition: all 0.2s;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
    background: var(--bg-card);
}

.btn-login, .btn-primary {
    width: 100%;
    padding: 1rem 1.5rem;
    color: white;
    border: none;
    border-radius: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    transition: all 0.3s;
    background: var(--gradient-primary);
}

.btn-login:hover, .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(37,99,235,0.5);
}

.btn-secondary {
    background: white;
    color: var(--accent-blue);
    border: 2px solid var(--accent-blue);
}

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

.btn-small {
    background: var(--bg-primary);
    border: 1px solid var(--border-medium);
    padding: 0.6rem 1.2rem;
    border-radius: 2rem;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
    color: var(--text-secondary);
}

.btn-small:hover {
    background: var(--border-light);
    transform: translateY(-2px);
}

.demo-credentials {
    background: var(--bg-primary);
    border-radius: 1rem;
    padding: 1.5rem;
    margin-top: 1.5rem;
    border: 1px solid var(--border-medium);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    margin-top: 1.5rem;
    cursor: pointer;
    font-weight: 500;
    transition: color 0.2s;
}

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

.login-info {
    padding: 3rem;
    background: var(--bg-primary);
}

.login-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.login-info p {
    margin: 0.75rem 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.login-info p::before {
    content: '✓';
    color: var(--accent-green);
    font-weight: bold;
}