/* ============================================================
   LOGIN-PAGE.CSS - LOGIN PAGE STYLES
   ============================================================ */

/* Container */
.login-container {
    max-width: 500px;
    margin: 100px auto 60px;
    padding: 0 24px;
}

.login-card {
    background: var(--surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: 48px;
}

/* Back Link */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
}

.back-link:hover {
    color: var(--primary-hover);
    transform: translateX(-4px);
}

/* Page Header */
.login-header {
    text-align: center;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 2px solid var(--border-color);
}

.login-header h1 {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: 8px;
}

.login-header p {
    color: var(--text-secondary);
    font-size: var(--font-size-base);
}

/* Error Message */
.error-message {
    background: #fee2e2;
    color: #991b1b;
    padding: 14px 18px;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    border-left: 4px solid var(--danger-color);
}

/* Form Groups */
.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 8px;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: inherit;
    transition: all var(--transition-base);
    background: var(--surface);
    color: var(--text-primary);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input::placeholder {
    color: var(--text-tertiary);
}

/* Password Toggle */
.password-toggle {
    position: relative;
}

.password-toggle-btn {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    transition: color var(--transition-base);
}

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

/* Login Button */
.login-btn {
    width: 100%;
    padding: 14px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
}

.login-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

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

.login-btn:disabled {
    background: var(--border-color);
    cursor: not-allowed;
    transform: none;
    opacity: 0.6;
}

/* Forgot Password Link */
.forgot-password-link {
    margin-top: 12px;
    text-align: center;
}

.forgot-password-link a {
    color: var(--primary-color);
    font-size: var(--font-size-sm);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-base);
}

.forgot-password-link a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* Form Footer */
.form-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.form-footer p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.form-footer a {
    color: var(--primary-color);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    transition: color var(--transition-base);
}

.form-footer a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .login-container {
        margin: 20px auto 40px;
        padding: 0 16px;
    }

    .login-card {
        padding: 32px 24px;
    }

    .login-header h1 {
        font-size: var(--font-size-2xl);
    }
}

@media (max-width: 480px) {
    .login-container {
        margin: 10px auto 20px;
    }
    
    .login-card {
        padding: 24px 16px;
    }

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

/* Registration Form Additions */
.required-star {
    color: #ef4444;
    font-weight: bold;
}

.helper-text-small {
    font-size: 11px;
    color: #9ca3af;
    margin-top: 4px;
}

.username-feedback {
    font-size: 12px;
    margin-top: 6px;
    padding: 6px 10px;
    border-radius: 4px;
    font-weight: 500;
}

.username-feedback.available {
    background: #d1fae5;
    color: #065f46;
}

.username-feedback.taken {
    background: #fee2e2;
    color: #991b1b;
}

.username-feedback.checking {
    background: #e0e7ff;
    color: #3730a3;
}

/* ============================================================
   GOOGLE OAUTH BUTTON STYLES
   ============================================================ */

.oauth-divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 24px 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.oauth-divider::before,
.oauth-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border-color);
}

.oauth-divider span {
    padding: 0 16px;
    font-weight: var(--font-weight-medium);
}

.google-signin-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 14px;
    background: white;
    color: #1f2937;
    border: 2px solid #e5e7eb;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.google-signin-btn:hover {
    background: #f9fafb;
    border-color: #d1d5db;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

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

.google-signin-btn svg {
    flex-shrink: 0;
}