/* Modern Login Page Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #dc3545 0%, #003366 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow-x: hidden;
    padding: 20px 10px;
}

.login-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    padding: 40px;
    width: 100%;
    max-width: 450px;
    margin: 0 auto 20px auto;
    animation: slideUp 0.8s ease-out;
    flex-shrink: 0;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.school-logo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin-bottom: 20px;
    border: 4px solid #dc3545;
    object-fit: cover;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(220, 53, 69, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(220, 53, 69, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(220, 53, 69, 0);
    }
}

.login-title {
    color: #333;
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 10px;
}

.login-subtitle {
    color: #666;
    font-size: 16px;
    margin-bottom: 0;
}

.form-group {
    margin-bottom: 25px;
    position: relative;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 500;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e1e5e9;
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

.form-control:focus {
    outline: none;
    border-color: #dc3545;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
    transform: translateY(-2px);
}

.form-control::placeholder {
    color: #adb5bd;
}

.input-icon {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #adb5bd;
    font-size: 18px;
    pointer-events: none;
}

.btn-login {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #dc3545 0%, #003366 100%);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

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

.btn-login::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-login:hover::before {
    left: 100%;
}

.btn-secondary {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    margin-top: 15px;
}

.divider {
    text-align: center;
    margin: 25px 0;
    position: relative;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: #e1e5e9;
}

.divider span {
    background: rgba(255, 255, 255, 0.95);
    padding: 0 20px;
    color: #666;
    font-size: 14px;
}

.alert {
    padding: 15px 20px;
    border-radius: 12px;
    margin-bottom: 25px;
    border: none;
    animation: slideDown 0.5s ease-out;
}

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

.alert-danger {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
    color: white;
}

.alert-success {
    background: linear-gradient(135deg, #51cf66 0%, #40c057 100%);
    color: white;
}

.close {
    float: right;
    font-size: 20px;
    font-weight: bold;
    line-height: 1;
    color: white;
    text-shadow: none;
    opacity: 0.8;
    background: none;
    border: none;
    cursor: pointer;
}

.close:hover {
    opacity: 1;
}

.footer-text {
    text-align: center;
    margin-top: 20px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    width: 100%;
    max-width: 450px;
    flex-shrink: 0;
    padding: 0 20px;
}

.footer-text a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
}

/* Floating particles background */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.particle {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.1;
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
        opacity: 0.3;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 15px 10px;
    }
    
    .login-container {
        margin: 0 auto 15px auto;
        padding: 30px 20px;
        max-width: 100%;
        width: calc(100% - 20px);
    }
    
    .login-title {
        font-size: 24px;
    }
    
    .login-subtitle {
        font-size: 14px;
    }
    
    .footer-text {
        margin-top: 15px;
        padding: 0 15px;
        max-width: 100%;
        width: calc(100% - 30px);
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px 5px;
    }
    
    .login-container {
        padding: 25px 15px;
        margin: 0 auto 10px auto;
        width: calc(100% - 10px);
        border-radius: 15px;
    }
    
    .school-logo {
        width: 60px;
        height: 60px;
    }
    
    .login-title {
        font-size: 22px;
    }
    
    .login-subtitle {
        font-size: 13px;
    }
    
    .form-control {
        padding: 12px 15px;
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .btn-login {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .footer-text {
        margin-top: 10px;
        padding: 0 10px;
        font-size: 12px;
        width: calc(100% - 20px);
    }
}

/* Loading animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
    margin-right: 10px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Custom select styling */
select.form-control {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 16px 12px;
    padding-right: 40px;
    appearance: none;
}

/* Hover effects for form elements */
.form-group:hover .form-control {
    border-color: #dc3545;
}

/* Focus within effect */
.form-group:focus-within .form-label {
    color: #dc3545;
}