/* =============================================
   E-Portal Login Page Styles
   Glassmorphism + Animated Background
   ============================================= */

.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #0D47A1 0%, #1565C0 30%, #1976D2 50%, #0D47A1 100%);
}

/* Animated Background Shapes */
.login-bg-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.login-bg-shapes .shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.08;
}

.login-bg-shapes .shape-1 {
    width: 500px;
    height: 500px;
    background: var(--accent);
    top: -150px;
    right: -100px;
    animation: floatShape 15s ease-in-out infinite;
}

.login-bg-shapes .shape-2 {
    width: 350px;
    height: 350px;
    background: var(--accent-light);
    bottom: -100px;
    left: -80px;
    animation: floatShape 18s ease-in-out infinite reverse;
}

.login-bg-shapes .shape-3 {
    width: 200px;
    height: 200px;
    background: #fff;
    top: 40%;
    left: 10%;
    animation: floatShape 12s ease-in-out infinite 2s;
}

.login-bg-shapes .shape-4 {
    width: 280px;
    height: 280px;
    background: var(--accent);
    bottom: 20%;
    right: 15%;
    animation: floatShape 20s ease-in-out infinite 5s;
}

.login-bg-shapes .shape-5 {
    width: 120px;
    height: 120px;
    background: #fff;
    top: 20%;
    right: 30%;
    animation: floatShape 10s ease-in-out infinite 1s;
}

@keyframes floatShape {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(20px, -30px) rotate(5deg); }
    50% { transform: translate(-15px, 15px) rotate(-3deg); }
    75% { transform: translate(10px, 25px) rotate(2deg); }
}

/* Login Card */
.login-card {
    position: relative;
    z-index: 1;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-2xl);
    padding: 48px 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: 
        0 25px 60px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(255, 255, 255, 0.2),
        inset 0 1px 1px rgba(255, 255, 255, 0.6);
    animation: cardEntrance 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes cardEntrance {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Logo */
.login-logo {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.login-logo .logo-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.login-logo .logo-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmerLogo 3s ease-in-out infinite;
}

@keyframes shimmerLogo {
    0%, 100% { transform: translateX(-100%) rotate(45deg); }
    50% { transform: translateX(100%) rotate(45deg); }
}

.login-logo .logo-icon svg {
    width: 36px;
    height: 36px;
    color: white;
    position: relative;
    z-index: 1;
}

.login-logo .logo-icon img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    position: relative;
    z-index: 1;
}

.login-logo h1 {
    font-family: var(--font-heading);
    font-size: var(--font-size-2xl);
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.login-logo .school-name {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

/* Login Form */
.login-form {
    margin-top: var(--space-xl);
}

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

.login-form .form-input {
    padding: 16px 16px 16px 52px;
    font-size: var(--font-size-base);
    border-radius: var(--radius-lg);
    background: var(--bg-light);
    border: 2px solid transparent;
}

.login-form .form-input:focus {
    background: var(--bg-white);
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(21, 101, 192, 0.1);
}

.login-form .input-icon {
    left: 18px;
}

/* Password Toggle */
.password-toggle {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    padding: 4px;
    display: flex;
    transition: color var(--transition-fast);
}

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

.password-toggle svg {
    width: 20px;
    height: 20px;
}

/* Login Button */
.login-btn {
    width: 100%;
    padding: 16px;
    font-size: var(--font-size-base);
    font-weight: 700;
    border-radius: var(--radius-lg);
    background: var(--primary-gradient);
    color: white;
    cursor: pointer;
    border: none;
    box-shadow: var(--shadow-primary);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.5px;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(21, 101, 192, 0.4);
}

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

.login-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.login-btn:active::after {
    width: 400px;
    height: 400px;
}

/* Login Footer */
.login-footer {
    text-align: center;
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--bg-dark);
}

.login-footer p {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.login-footer .version {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: var(--space-xs);
    font-size: 11px;
    color: var(--text-muted);
    opacity: 0.7;
}

/* Responsive */
@media (max-width: 480px) {
    .login-card {
        padding: 36px 24px;
        border-radius: var(--radius-xl);
    }

    .login-logo .logo-icon {
        width: 60px;
        height: 60px;
    }

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

    .login-wrapper {
        padding: var(--space-md);
    }
}

@media (max-height: 600px) {
    .login-card {
        padding: 28px 24px;
    }

    .login-logo {
        margin-bottom: var(--space-md);
    }

    .login-form {
        margin-top: var(--space-md);
    }
}