/**
 * Lifspel Forms CSS Foundation
 * ============================
 * Unified form styling system for consistent appearance across all forms.
 * Uses existing CSS variables from style.css for theming consistency.
 *
 * Table of Contents:
 * 1. Form Containers
 * 2. Form Groups & Layout
 * 3. Labels
 * 4. Input Elements
 * 5. Textareas
 * 6. Select Dropdowns
 * 7. Checkboxes & Toggles
 * 8. Character Counters
 * 9. Validation States
 * 10. Form Actions
 * 11. Context Modifiers
 */

/* ============================================
   1. Form Containers
   ============================================ */

.form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md, 1rem);
}

.form--compact {
    gap: var(--spacing-sm, 0.5rem);
}

.form--wide {
    max-width: 600px;
}

.form--narrow {
    max-width: 400px;
}

/* ============================================
   2. Form Groups & Layout
   ============================================ */

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs, 0.25rem);
}

.form-group--inline {
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-sm, 0.5rem);
}

.form-row {
    display: flex;
    gap: var(--spacing-md, 1rem);
}

.form-row > .form-group {
    flex: 1;
}

.form-row--2col > .form-group {
    flex: 1 1 calc(50% - var(--spacing-sm, 0.5rem));
}

.form-row--3col > .form-group {
    flex: 1 1 calc(33.333% - var(--spacing-sm, 0.5rem));
}

/* Responsive: stack on mobile */
@media (max-width: 600px) {
    .form-row {
        flex-direction: column;
    }

    .form-row--2col > .form-group,
    .form-row--3col > .form-group {
        flex: 1 1 100%;
    }
}

/* ============================================
   3. Labels
   ============================================ */

.form-label {
    display: block;
    font-family: var(--font-ui, system-ui, sans-serif);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary, #a8a5a0);
    margin-bottom: var(--spacing-xs, 0.25rem);
}

.form-label--required::after {
    content: " *";
    color: var(--error, #9d6b6b);
}

.form-label--large {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary, #e8e6e3);
}

.form-hint {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted, #6b6966);
    margin-top: var(--spacing-xs, 0.25rem);
    line-height: 1.4;
}

/* ============================================
   4. Input Elements
   ============================================ */

.form-input {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-family: var(--font-ui, system-ui, sans-serif);
    font-size: 0.9rem;
    color: var(--text-primary, #e8e6e3);
    background: var(--bg-secondary, #1e1e22);
    border: 1px solid var(--border, #3a3a40);
    border-radius: 6px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    box-sizing: border-box;
}

.form-input::placeholder {
    color: var(--text-muted, #6b6966);
}

.form-input:hover:not(:disabled):not(:focus) {
    border-color: var(--text-muted, #6b6966);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent, #c9a87c);
    box-shadow: 0 0 0 2px rgba(201, 168, 124, 0.15);
}

.form-input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--bg-primary, #141417);
}

.form-input:read-only {
    background: var(--bg-primary, #141417);
    cursor: default;
}

/* Size variants */
.form-input--sm {
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
}

.form-input--lg {
    padding: 0.875rem 1rem;
    font-size: 1rem;
}

/* ============================================
   5. Textareas
   ============================================ */

textarea.form-input {
    resize: vertical;
    min-height: 80px;
    line-height: 1.5;
}

textarea.form-input--no-resize {
    resize: none;
}

textarea.form-input--auto-height {
    resize: none;
    overflow: hidden;
}

/* ============================================
   6. Select Dropdowns
   ============================================ */

.form-select-wrapper {
    position: relative;
    display: block;
}

.form-select-wrapper::after {
    content: "";
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid var(--text-muted, #6b6966);
    pointer-events: none;
    transition: border-color 0.2s ease;
}

.form-select-wrapper:hover::after {
    border-top-color: var(--text-secondary, #a8a5a0);
}

.form-select {
    width: 100%;
    padding: 0.625rem 2.5rem 0.625rem 0.875rem;
    font-family: var(--font-ui, system-ui, sans-serif);
    font-size: 0.9rem;
    color: var(--text-primary, #e8e6e3);
    background: var(--bg-secondary, #1e1e22);
    border: 1px solid var(--border, #3a3a40);
    border-radius: 6px;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-select:hover:not(:disabled) {
    border-color: var(--text-muted, #6b6966);
}

.form-select:focus {
    outline: none;
    border-color: var(--accent, #c9a87c);
    box-shadow: 0 0 0 2px rgba(201, 168, 124, 0.15);
}

.form-select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================
   7. Checkboxes & Toggles
   ============================================ */

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    margin: 0;
    cursor: pointer;
    accent-color: var(--accent, #c9a87c);
}

.form-checkbox-label {
    font-size: 0.875rem;
    color: var(--text-primary, #e8e6e3);
    line-height: 1.4;
    user-select: none;
}

.form-checkbox-hint {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted, #6b6966);
    margin-top: 2px;
}

/* Toggle Switch */
.form-toggle {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
}

.form-toggle-track {
    position: relative;
    width: 44px;
    height: 24px;
    background: var(--bg-tertiary, #28282d);
    border: 1px solid var(--border, #3a3a40);
    border-radius: 12px;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.form-toggle-thumb {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    background: var(--text-muted, #6b6966);
    border-radius: 50%;
    transition: transform 0.2s ease, background 0.2s ease;
}

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

.form-toggle input[type="checkbox"]:checked + .form-toggle-track {
    background: var(--accent-dim, #8b7355);
    border-color: var(--accent, #c9a87c);
}

.form-toggle input[type="checkbox"]:checked + .form-toggle-track .form-toggle-thumb {
    transform: translateX(20px);
    background: var(--accent, #c9a87c);
}

.form-toggle input[type="checkbox"]:focus + .form-toggle-track {
    box-shadow: 0 0 0 2px rgba(201, 168, 124, 0.15);
}

.form-toggle-label {
    font-size: 0.875rem;
    color: var(--text-primary, #e8e6e3);
    user-select: none;
}

/* ============================================
   8. Character Counters
   ============================================ */

.form-char-counter {
    display: block;
    text-align: right;
    font-size: 0.75rem;
    color: var(--text-muted, #6b6966);
    margin-top: 4px;
    font-family: var(--font-ui, system-ui, sans-serif);
}

.form-char-counter--warning {
    color: var(--accent, #c9a87c);
}

.form-char-counter--error {
    color: var(--error, #9d6b6b);
}

/* Input wrapper for relative positioning of counter */
.form-input-wrapper {
    position: relative;
}

.form-input-wrapper .form-char-counter {
    position: absolute;
    right: 0;
    bottom: -20px;
}

/* ============================================
   9. Validation States
   ============================================ */

/* Error state */
.form-input--error,
.form-select--error {
    border-color: var(--error, #9d6b6b);
}

.form-input--error:focus,
.form-select--error:focus {
    border-color: var(--error, #9d6b6b);
    box-shadow: 0 0 0 2px var(--error-glow, rgba(157, 107, 107, 0.3));
}

.form-error {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    color: var(--error-text, #d4a5a5);
    margin-top: var(--spacing-xs, 0.25rem);
}

.form-error::before {
    content: "\f06a"; /* Font Awesome circle-exclamation */
    font-family: "Font Awesome 6 Pro";
    font-weight: 400;
    font-size: 0.7rem;
}

/* Success state */
.form-input--success,
.form-select--success {
    border-color: var(--success, #6b8a72);
}

.form-input--success:focus,
.form-select--success:focus {
    border-color: var(--success, #6b8a72);
    box-shadow: 0 0 0 2px var(--success-glow, rgba(107, 138, 114, 0.3));
}

.form-success {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    color: var(--success-text, #a5c4ab);
    margin-top: var(--spacing-xs, 0.25rem);
}

.form-success::before {
    content: "\f058"; /* Font Awesome circle-check */
    font-family: "Font Awesome 6 Pro";
    font-weight: 400;
    font-size: 0.7rem;
}

/* Password requirements list */
.form-requirements {
    list-style: none;
    padding: 0;
    margin: var(--spacing-xs, 0.25rem) 0 0 0;
    font-size: 0.75rem;
}

.form-requirement {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 2px 0;
    color: var(--text-muted, #6b6966);
    transition: color 0.2s ease;
}

.form-requirement::before {
    content: "\f111"; /* Font Awesome circle */
    font-family: "Font Awesome 6 Duotone";
    font-size: 0.5rem;
}

.form-requirement--met {
    color: var(--success-text, #a5c4ab);
}

.form-requirement--met::before {
    content: "\f058"; /* Font Awesome circle-check */
    font-size: 0.65rem;
}

/* ============================================
   10. Form Actions
   ============================================ */

.form-actions {
    display: flex;
    gap: var(--spacing-sm, 0.5rem);
    margin-top: var(--spacing-md, 1rem);
}

.form-actions--right {
    justify-content: flex-end;
}

.form-actions--center {
    justify-content: center;
}

.form-actions--between {
    justify-content: space-between;
}

.form-actions--stack {
    flex-direction: column;
}

/* ============================================
   11. Context Modifiers
   ============================================ */

/* Auth forms (login, register, forgot password) */
.form--auth {
    max-width: 400px;
    margin: 0 auto;
    padding: var(--spacing-lg, 1.5rem);
}

.form--auth .form-input {
    padding: 0.875rem 1rem;
    font-size: 1rem;
}

.form--auth .form-label {
    font-size: 0.9rem;
}

/* Settings forms */
.form--settings .form-group {
    padding: var(--spacing-sm, 0.5rem) 0;
    border-bottom: 1px solid var(--border, #3a3a40);
}

.form--settings .form-group:last-child {
    border-bottom: none;
}

/* Admin forms */
.form--admin .form-input:focus,
.form--admin .form-select:focus {
    border-color: var(--accent-admin, #8b8498);
    box-shadow: 0 0 0 2px var(--accent-admin-glow, rgba(139, 132, 152, 0.3));
}

.form--admin .form-toggle input[type="checkbox"]:checked + .form-toggle-track {
    background: var(--accent-admin-dim, #7a7389);
    border-color: var(--accent-admin, #8b8498);
}

.form--admin .form-toggle input[type="checkbox"]:checked + .form-toggle-track .form-toggle-thumb {
    background: var(--accent-admin, #8b8498);
}

/* Creative forms (scenario builder) */
.form--creative .form-input:focus,
.form--creative .form-select:focus {
    border-color: var(--accent-creative, #6366f1);
    box-shadow: 0 0 0 2px var(--accent-creative-glow, rgba(99, 102, 241, 0.3));
}

/* Modal forms */
.form--modal {
    padding: 0;
}

.form--modal .form-group {
    margin-bottom: var(--spacing-md, 1rem);
}

.form--modal .form-group:last-child {
    margin-bottom: 0;
}

/* Inline form (search, filters) */
.form--inline {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-sm, 0.5rem);
}

.form--inline .form-group {
    margin-bottom: 0;
}

.form--inline .form-input {
    width: auto;
}

/* ============================================
   Utility Classes
   ============================================ */

.form-divider {
    height: 1px;
    background: var(--border, #3a3a40);
    margin: var(--spacing-md, 1rem) 0;
}

.form-section-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary, #e8e6e3);
    margin-bottom: var(--spacing-sm, 0.5rem);
    padding-bottom: var(--spacing-xs, 0.25rem);
    border-bottom: 1px solid var(--border, #3a3a40);
}

/* Visually hidden (for screen readers) */
.form-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   12. Inline Form Messages
   ============================================ */

/* Inline message appearing next to buttons */
.form-message {
    font-family: var(--font-ui, system-ui, sans-serif);
    font-size: 0.85rem;
    padding: 6px 10px;
    border-radius: 4px;
}

.form-message.hidden {
    display: none;
}

.form-message.success,
.form-message--success {
    background: var(--success-glow, rgba(107, 138, 114, 0.3));
    color: var(--success, #6b8a72);
}

.form-message.error,
.form-message--error {
    background: var(--error-glow, rgba(157, 107, 107, 0.3));
    color: var(--error, #9d6b6b);
}

/* ============================================
   13. Browser Autofill Override
   ============================================ */

/* Override browser autofill background color */
.form-input:-webkit-autofill,
.form-input:-webkit-autofill:hover,
.form-input:-webkit-autofill:focus,
.form-input:-webkit-autofill:active {
    -webkit-box-shadow: 0 0 0 30px var(--bg-secondary, #1e1e22) inset !important;
    -webkit-text-fill-color: var(--text-primary, #e8e6e3) !important;
    caret-color: var(--text-primary, #e8e6e3);
}

/* Tertiary background variant for darker forms */
.form--dark .form-input:-webkit-autofill,
.form--dark .form-input:-webkit-autofill:hover,
.form--dark .form-input:-webkit-autofill:focus,
.form--dark .form-input:-webkit-autofill:active {
    -webkit-box-shadow: 0 0 0 30px var(--bg-tertiary, #28282d) inset !important;
}

/* ============================================
   14. Loading States
   ============================================ */

/* Button loading state support */
.form-actions .btn .btn-loading.hidden,
.form-actions .btn .btn-text.hidden {
    display: none;
}

/* ============================================
   15. Field Validation Animation
   ============================================ */

/* Attention pulse for invalid fields */
.form-input.error,
.form-input--attention {
    border-color: var(--accent, #c9a87c);
    box-shadow: 0 0 0 2px rgba(201, 168, 124, 0.2);
    animation: form-field-pulse 0.5s ease 3;
}

.form-input.error:focus,
.form-input--attention:focus {
    border-color: var(--accent, #c9a87c);
    box-shadow: 0 0 0 2px rgba(201, 168, 124, 0.3);
    animation: none;
}

@keyframes form-field-pulse {
    0%, 100% {
        border-color: rgba(201, 168, 124, 0.9);
        box-shadow: 0 0 0 2px rgba(201, 168, 124, 0.2);
    }
    50% {
        border-color: rgba(201, 168, 124, 1);
        box-shadow: 0 0 0 3px rgba(201, 168, 124, 0.35), 0 0 12px rgba(201, 168, 124, 0.2);
    }
}

/* ============================================
   16. Simple Checkbox Label
   ============================================ */

/* Inline checkbox with label text */
.form-checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs, 0.25rem);
    font-family: var(--font-ui, system-ui, sans-serif);
    font-size: 0.85rem;
    color: var(--text-secondary, #a8a5a0);
    cursor: pointer;
}

.form-checkbox-label input[type="checkbox"] {
    accent-color: var(--accent, #c9a87c);
    cursor: pointer;
}

/* ============================================
   17. Info Trigger Icon
   ============================================ */

/* Small info icon that triggers help/modal */
.form-info-trigger {
    color: var(--text-muted, #6b6966);
    cursor: pointer;
    margin-left: 0.25rem;
    transition: color 0.2s ease;
}

.form-info-trigger:hover {
    color: var(--accent, #c9a87c);
}

.form-info-trigger i {
    font-size: 0.85rem;
}