/**
 * Authentication Pages Styles
 *
 * Styles for login, register, password reset pages
 * Uses existing CSS variables from theme-vars.css
 *
 * @package Flavor
 */

/* Page Container */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 200px);
    padding: 40px 20px;
}

/* Auth Card */
.auth-card {
    width: 100%;
    max-width: 420px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
}

.auth-card--wide {
    max-width: 560px;
}

.auth-card__header {
    text-align: center;
    margin-bottom: 24px;
}

.auth-card__title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 8px 0;
}

.auth-card__subtitle {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin: 0;
}

.auth-card__footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.auth-card__footer p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.auth-link {
    color: var(--accent);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.15s ease;
}

.auth-link:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* Auth Form */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Form Groups */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group--row {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
}

/* Form Labels */
.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-label__required {
    color: var(--error);
    margin-left: 2px;
}

/* Form Inputs */
.form-input {
    width: 100%;
    padding: 12px 14px;
    font-size: 0.9375rem;
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

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

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

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

.form-input--error:focus {
    box-shadow: 0 0 0 3px var(--error-bg);
}

/* Input Wrapper (for toggle button) */
.form-input-wrapper,
.password-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.form-input-wrapper .form-input,
.password-input-wrapper .form-input {
    padding-right: 44px;
}

.form-input-toggle,
.password-toggle {
    position: absolute;
    right: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.15s ease;
}

.form-input-toggle:hover,
.password-toggle:hover {
    color: var(--text-primary);
}

/* Form Hints & Errors */
.form-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.form-error {
    font-size: 0.8125rem;
    color: var(--error);
}

/* Form Checkbox */
.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.form-checkbox input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.form-checkbox__checkmark {
    position: relative;
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    margin-top: 2px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 4px;
    transition: all 0.15s ease;
}

.form-checkbox__checkmark::after {
    content: '';
    position: absolute;
    display: none;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid var(--bg-primary);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.form-checkbox input:checked + .form-checkbox__checkmark {
    background-color: var(--accent);
    border-color: var(--accent);
}

.form-checkbox input:checked + .form-checkbox__checkmark::after {
    display: block;
}

.form-checkbox input:focus + .form-checkbox__checkmark {
    box-shadow: 0 0 0 3px var(--accent-light);
}

.form-checkbox__label {
    line-height: 1.4;
}

/* Form Link */
.form-link {
    color: var(--accent);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.15s ease;
}

.form-link:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* Password Strength Indicator */
.password-strength {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 4px;
}

.password-strength__bar {
    flex: 1;
    height: 4px;
    background-color: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
}

.password-strength__fill {
    height: 100%;
    border-radius: 2px;
    transition: width 0.3s ease, background-color 0.3s ease;
}

.password-strength__fill--weak {
    background-color: var(--error);
}

.password-strength__fill--medium {
    background-color: var(--warning);
}

.password-strength__fill--good {
    background-color: #60a5fa;
}

.password-strength__fill--strong {
    background-color: var(--success);
}

.password-strength__text {
    font-size: 0.75rem;
    font-weight: 500;
    min-width: 70px;
}

.password-strength__text--weak {
    color: var(--error);
}

.password-strength__text--medium {
    color: var(--warning);
}

.password-strength__text--good {
    color: #60a5fa;
}

.password-strength__text--strong {
    color: var(--success);
}

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.875rem;
    margin-bottom: 16px;
}

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

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

.alert--warning {
    background-color: var(--warning-bg);
    color: var(--warning);
    border: 1px solid var(--warning);
}

/* Button Full Width */
.btn-full {
    width: 100%;
    justify-content: center;
}

.btn--loading {
    opacity: 0.8;
    cursor: not-allowed;
}

.btn--loading span {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Button Spinner */
.btn-spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Alert with Icon (for email verification page) */
.alert--with-icon {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.alert--with-icon .alert__icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
}

.alert--with-icon p {
    margin: 4px 0 0;
}

/* Info Alert */
.alert--info {
    background-color: var(--accent-light);
    color: var(--text-primary);
    border: 1px solid var(--accent);
}

/* Footer Variant */
.auth-card__footer--no-border {
    border-top: none;
    padding-top: 0;
}

/* Responsive */
@media (max-width: 640px) {
    .auth-card {
        padding: 24px 20px;
    }

    .auth-card--wide {
        max-width: 100%;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .form-group--row {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}