/* Authentication Specific Styles */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    background: var(--bg-secondary);
}

.auth-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--border-color);
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 0.5rem 0;
}

.auth-subtitle {
    color: var(--text-secondary);
    margin: 0;
    font-size: 1rem;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.form-group input {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-color-alpha);
}

.form-group input.error {
    border-color: var(--error-color);
}

.error-message {
    color: var(--error-color);
    font-size: 0.8rem;
    min-height: 1rem;
}

.input-with-button {
    display: flex;
    gap: 0.5rem;
    align-items: stretch;
}

.input-with-button input {
    flex: 1;
    min-width: 0;
}

.verify-btn {
    padding: 0 1rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.verify-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
}

.verify-btn:active {
    background: var(--border-color);
}

.auth-button {
    padding: 0.875rem 1.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.auth-button:hover:not(:disabled) {
    background: var(--primary-color-dark);
}

.auth-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.loading-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.auth-toggle {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.auth-toggle p {
    margin: 0;
    color: var(--text-secondary);
}

.auth-toggle a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.auth-toggle a:hover {
    text-decoration: underline;
}

.auth-result {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: 6px;
    font-size: 0.9rem;
}

.auth-result.success {
    background: var(--success-bg);
    color: var(--success-color);
    border: 1px solid var(--success-border);
}

.auth-result.error {
    background: var(--error-bg);
    color: var(--error-color);
    border: 1px solid var(--error-border);
}

/* Signup specific fields */
.signup-field {
    display: none;
}

.signup-field.visible {
    display: flex;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive Design */
@media (max-width: 480px) {
    .auth-container {
        padding: 1rem;
    }

    .auth-card {
        padding: 1.5rem;
        margin: 0;
    }

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

/* Theme Variables Integration */
:root {
    --primary-color: #2ea44f;
    --primary-color-dark: #22863a;
    --primary-color-alpha: rgba(46, 164, 79, 0.2);
    --error-color: #dc3545;
    --error-bg: #f8d7da;
    --error-border: #f5c6cb;
    --success-color: #198754;
    --success-bg: #d1e7dd;
    --success-border: #badbcc;
}

/* Dark theme overrides */
[data-theme="dark"] {
    --primary-color: #3fb95f;
    --primary-color-dark: #2d8b47;
    --primary-color-alpha: rgba(63, 185, 95, 0.3);
}