/* Modern Professional Student Login Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.student-login-box {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: none;
    border-radius: 20px;
    padding: 40px;
    max-width: 420px;
    width: 100%;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1), 0 8px 16px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

    .student-login-box:hover {
        transform: translateY(-5px);
        box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15), 0 12px 24px rgba(0, 0, 0, 0.08);
    }

.login-header {
    text-align: center;
    margin-bottom: 35px;
}

.login-title {
    color: #2c3e50;
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.login-subtitle {
    color: #7f8c8d;
    font-size: 0.95rem;
    font-weight: 400;
}

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

.form-label {
    display: block;
    margin-bottom: 8px;
    color: #2c3e50;
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: 0.3px;
}

.form-control {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e9ecef;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: #f8f9fa;
    box-sizing: border-box;
}

    .form-control:focus {
        outline: none;
        border-color: #667eea;
        background-color: #fff;
        box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
        transform: translateY(-1px);
    }

    .form-control:hover {
        border-color: #ced4da;
        background-color: #fff;
    }

.password-container {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #6c757d;
    font-size: 0.85rem;
    cursor: pointer;
    padding: 5px 8px;
    border-radius: 6px;
    transition: all 0.2s ease;
}

    .password-toggle:hover {
        background-color: #f8f9fa;
        color: #495057;
    }

.btn-login {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 10px;
}

    .btn-login:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
        background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
    }

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

    .btn-login:disabled {
        opacity: 0.7;
        cursor: not-allowed;
        transform: none;
    }

.login-status {
    margin-top: 20px;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    text-align: center;
    display: none;
}

    .login-status.error {
        background-color: #fee;
        color: #dc3545;
        border: 1px solid #f5c6cb;
    }

    .login-status.success {
        background-color: #eff;
        color: #28a745;
        border: 1px solid #c3e6cb;
    }

.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s ease-in-out infinite;
    margin-right: 8px;
}

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

/* Responsive Design */
@media (max-width: 480px) {
    .student-login-box {
        margin: 20px;
        padding: 30px 25px;
        border-radius: 16px;
    }

    .login-title {
        font-size: 1.75rem;
    }

    .form-control {
        padding: 12px 16px;
    }

    .btn-login {
        padding: 12px;
        font-size: 1rem;
    }
}

/* Animation for form appearance */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.student-login-box {
    animation: fadeInUp 0.6s ease-out;
}

/* Focus styles for accessibility */
.form-control:focus,
.btn-login:focus,
.password-toggle:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* Modern glassmorphism effect */
.student-login-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    border-radius: 20px;
    pointer-events: none;
    z-index: -1;
}