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

:root {
    --primary-color: #2563eb; /* Royal Blue */
    --primary-dark: #1e40af;
    --accent-color: #f59e0b; /* Amber/Gold */
    --text-dark: #1e293b;
    --text-light: #64748b;
    --bg-gradient: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background: var(--bg-gradient);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

/* Background Pattern Overlay (Optional) */
body::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: url('https://www.transparenttextures.com/patterns/cubes.png'); /* Subtle pattern */
    opacity: 0.1;
    pointer-events: none;
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    width: 100%;
    max-width: 400px;
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
    text-align: center;
    position: relative;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    animation: fadeIn Up 0.6s ease-out;
}

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

.school-logo {
    width: 90px;
    height: 90px;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid white;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    margin-top: -85px; /* Half outside the card */
    background: white;
    margin-bottom: 20px;
}

.login-header h2 {
    color: var(--text-dark);
    font-weight: 700;
    font-size: 1.8rem;
    margin-bottom: 5px;
}

.login-header p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 30px;
}

.input-group {
    position: relative;
    margin-bottom: 20px;
    text-align: left;
}

.input-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 5px;
    display: block;
}

.input-wrapper {
    position: relative;
}

.input-wrapper i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    transition: 0.3s;
}

.input-wrapper input {
    width: 100%;
    padding: 12px 15px 12px 45px; /* Space for icon */
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #f8fafc;
}

.input-wrapper input:focus {
    border-color: var(--primary-color);
    background: white;
    outline: none;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.input-wrapper input:focus + i {
    color: var(--primary-color);
}

.btn-login {
    width: 100%;
    padding: 14px;
    background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.2);
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 25px rgba(37, 99, 235, 0.3);
}

.btn-login:active {
    transform: translateY(0);
}

.back-link {
    display: block;
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--text-light);
    text-decoration: none;
    transition: 0.3s;
}

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

.error-msg {
    background: #fee2e2;
    color: #ef4444;
    padding: 10px;
    border-radius: 8px;
    font-size: 0.9rem;
    margin-bottom: 20px;
    border: 1px solid #fecaca;
    display: flex;
    align-items: center;
    gap: 10px;
}