/**
 * Mobile Forms CSS
 * Enhanced form experience for touch devices
 *
 * Features:
 * - Full-width inputs on mobile
 * - Large touch-friendly submit buttons (44px+ height)
 * - Appropriate input types with correct keyboard hints
 * - Focus states optimized for touch
 * - Form validation feedback
 * - Floating labels support
 *
 * Last updated: 2026-01-10
 */

/* ============================================
   MOBILE FORM BASE STYLES
   ============================================ */

/* Mobile-first form container */
.mobile-form,
.form-container {
    width: 100%;
    max-width: 100%;
    padding: 0 1rem;
}

@media (min-width: 641px) {
    .mobile-form,
    .form-container {
        max-width: 480px;
        margin: 0 auto;
        padding: 0;
    }
}

/* Form group spacing */
.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

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

/* Labels */
.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-primary, #f8f9fa);
}

.form-label.required::after {
    content: ' *';
    color: #ff6b6b;
}

/* Help text */
.form-help {
    display: block;
    margin-top: 0.375rem;
    font-size: 0.8125rem;
    color: var(--color-text-secondary, #adb5bd);
}

/* ============================================
   INPUT FIELDS - MOBILE OPTIMIZED
   ============================================ */

/* Base input styles */
.form-input,
.form-textarea,
.form-select,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="tel"],
input[type="url"],
input[type="number"],
textarea,
select {
    display: block;
    width: 100%;
    min-height: 48px; /* 44px minimum touch target */
    padding: 0.875rem 1rem;
    font-size: 16px; /* Prevents iOS zoom */
    font-family: inherit;
    line-height: 1.5;
    color: var(--color-text-primary, #f8f9fa);
    background: rgba(var(--color-bg-card-rgb, 26, 31, 58), 0.6);
    border: 1px solid rgba(var(--color-border-primary-rgb, 42, 47, 74), 0.6);
    border-radius: 12px;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    -webkit-appearance: none;
    appearance: none;
}

/* Placeholder styles */
.form-input::placeholder,
.form-textarea::placeholder,
input::placeholder,
textarea::placeholder {
    color: var(--color-text-secondary, #adb5bd);
    opacity: 0.6;
}

/* Focus states */
.form-input:focus,
.form-textarea:focus,
.form-select:focus,
input:focus,
textarea:focus,
select:focus {
    border-color: var(--color-primary, #8b7fff);
    background: rgba(var(--color-bg-card-rgb, 26, 31, 58), 0.8);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb, 139, 127, 255), 0.15);
}

/* Hover states (for devices with hover capability) */
@media (hover: hover) {
    .form-input:hover:not(:focus),
    .form-textarea:hover:not(:focus),
    .form-select:hover:not(:focus),
    input:hover:not(:focus),
    textarea:hover:not(:focus),
    select:hover:not(:focus) {
        border-color: rgba(var(--color-primary-rgb, 139, 127, 255), 0.4);
    }
}

/* Textarea specific */
.form-textarea,
textarea {
    min-height: 120px;
    resize: vertical;
}

/* Select specific */
.form-select,
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23adb5bd' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 16px;
    padding-right: 2.5rem;
    cursor: pointer;
}

/* ============================================
   FORM VALIDATION STATES
   ============================================ */

/* Valid state */
.form-input.valid,
.form-textarea.valid,
.form-select.valid,
input.valid,
textarea.valid,
select.valid,
.form-group.valid .form-input,
.form-group.valid .form-textarea,
.form-group.valid .form-select {
    border-color: #4ecdc4;
}

.form-group.valid .form-input:focus,
.form-group.valid .form-textarea:focus,
.form-group.valid .form-select:focus {
    box-shadow: 0 0 0 3px rgba(78, 205, 196, 0.15);
}

/* Invalid/Error state */
.form-input.invalid,
.form-input.error,
.form-textarea.invalid,
.form-textarea.error,
.form-select.invalid,
.form-select.error,
input.invalid,
input.error,
textarea.invalid,
textarea.error,
select.invalid,
select.error,
.form-group.invalid .form-input,
.form-group.invalid .form-textarea,
.form-group.invalid .form-select,
.form-group.error .form-input,
.form-group.error .form-textarea,
.form-group.error .form-select {
    border-color: #ff6b6b;
}

.form-group.invalid .form-input:focus,
.form-group.invalid .form-textarea:focus,
.form-group.invalid .form-select:focus,
.form-group.error .form-input:focus,
.form-group.error .form-textarea:focus,
.form-group.error .form-select:focus {
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.15);
}

/* Error message */
.form-error,
.error-message {
    display: block;
    margin-top: 0.375rem;
    font-size: 0.8125rem;
    color: #ff6b6b;
    animation: slideDown 0.2s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Disabled state */
.form-input:disabled,
.form-textarea:disabled,
.form-select:disabled,
input:disabled,
textarea:disabled,
select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: rgba(var(--color-bg-card-rgb, 26, 31, 58), 0.3);
}

/* ============================================
   SUBMIT BUTTONS - LARGE TOUCH TARGETS
   ============================================ */

.form-submit,
.btn-submit,
button[type="submit"],
input[type="submit"] {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 52px; /* Large touch target */
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: white;
    background: linear-gradient(
        135deg,
        var(--color-primary, #8b7fff),
        var(--color-secondary, #ff7eb6)
    );
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.form-submit:hover,
.btn-submit:hover,
button[type="submit"]:hover,
input[type="submit"]:hover {
    box-shadow: 0 4px 20px rgba(var(--color-primary-rgb, 139, 127, 255), 0.4);
}

.form-submit:active,
.btn-submit:active,
button[type="submit"]:active,
input[type="submit"]:active {
    transform: scale(0.98);
}

.form-submit:disabled,
.btn-submit:disabled,
button[type="submit"]:disabled,
input[type="submit"]:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Loading state */
.form-submit.loading,
.btn-submit.loading {
    pointer-events: none;
    position: relative;
    color: transparent;
}

.form-submit.loading::after,
.btn-submit.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Secondary button */
.btn-secondary,
.form-cancel {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 52px;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-primary, #f8f9fa);
    background: transparent;
    border: 1px solid rgba(var(--color-border-primary-rgb, 42, 47, 74), 0.8);
    border-radius: 12px;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

.btn-secondary:hover,
.form-cancel:hover {
    background: rgba(var(--color-bg-card-rgb, 26, 31, 58), 0.6);
    border-color: var(--color-primary, #8b7fff);
}

/* Button group */
.form-buttons,
.button-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 2rem;
}

@media (min-width: 481px) {
    .form-buttons.inline,
    .button-group.inline {
        flex-direction: row;
    }

    .form-buttons.inline > *,
    .button-group.inline > * {
        flex: 1;
    }
}

/* ============================================
   CHECKBOX & RADIO - TOUCH FRIENDLY
   ============================================ */

.form-checkbox,
.form-radio {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    min-height: 44px;
    padding: 0.5rem 0;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.form-checkbox input[type="checkbox"],
.form-radio input[type="radio"] {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    margin: 0;
    cursor: pointer;
    accent-color: var(--color-primary, #8b7fff);
}

.form-checkbox-label,
.form-radio-label {
    font-size: 0.9375rem;
    color: var(--color-text-primary, #f8f9fa);
    line-height: 1.5;
}

/* Custom checkbox/radio styling */
.checkbox-custom,
.radio-custom {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-height: 44px;
    padding: 0.5rem 0;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.checkbox-custom input,
.radio-custom input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkbox-custom .checkmark,
.radio-custom .checkmark {
    width: 24px;
    height: 24px;
    background: rgba(var(--color-bg-card-rgb, 26, 31, 58), 0.6);
    border: 2px solid rgba(var(--color-border-primary-rgb, 42, 47, 74), 0.8);
    border-radius: 6px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.radio-custom .checkmark {
    border-radius: 50%;
}

.checkbox-custom input:checked + .checkmark,
.radio-custom input:checked + .checkmark {
    background: var(--color-primary, #8b7fff);
    border-color: var(--color-primary, #8b7fff);
}

.checkbox-custom input:checked + .checkmark::after {
    content: '';
    width: 6px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin-bottom: 2px;
}

.radio-custom input:checked + .checkmark::after {
    content: '';
    width: 10px;
    height: 10px;
    background: white;
    border-radius: 50%;
}

/* ============================================
   FLOATING LABELS
   ============================================ */

.floating-label-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.floating-label-group .form-input,
.floating-label-group input {
    padding-top: 1.5rem;
    padding-bottom: 0.5rem;
}

.floating-label-group .form-label,
.floating-label-group label {
    position: absolute;
    top: 50%;
    left: 1rem;
    transform: translateY(-50%);
    font-size: 1rem;
    color: var(--color-text-secondary, #adb5bd);
    pointer-events: none;
    transition: all 0.2s ease;
    background: transparent;
    padding: 0 0.25rem;
    margin: 0;
}

.floating-label-group .form-input:focus + .form-label,
.floating-label-group .form-input:not(:placeholder-shown) + .form-label,
.floating-label-group input:focus + label,
.floating-label-group input:not(:placeholder-shown) + label {
    top: 0.5rem;
    transform: translateY(0);
    font-size: 0.75rem;
    color: var(--color-primary, #8b7fff);
}

/* ============================================
   SEARCH INPUT SPECIFIC
   ============================================ */

.search-input-group {
    position: relative;
}

.search-input-group .form-input,
.search-input-group input[type="search"] {
    padding-left: 3rem;
    padding-right: 3rem;
}

.search-input-group .search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--color-text-secondary, #adb5bd);
    pointer-events: none;
}

.search-input-group .clear-btn {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--color-text-secondary, #adb5bd);
    cursor: pointer;
    border-radius: 8px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.search-input-group .form-input:not(:placeholder-shown) + .search-icon + .clear-btn,
.search-input-group input:not(:placeholder-shown) ~ .clear-btn {
    opacity: 1;
}

/* ============================================
   INPUT WITH ICON/PREFIX
   ============================================ */

.input-with-icon {
    position: relative;
}

.input-with-icon .input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--color-text-secondary, #adb5bd);
    pointer-events: none;
}

.input-with-icon .form-input,
.input-with-icon input {
    padding-left: 3rem;
}

.input-with-prefix {
    display: flex;
    align-items: stretch;
}

.input-prefix {
    display: flex;
    align-items: center;
    padding: 0 1rem;
    background: rgba(var(--color-bg-secondary-rgb, 21, 26, 53), 0.8);
    border: 1px solid rgba(var(--color-border-primary-rgb, 42, 47, 74), 0.6);
    border-right: none;
    border-radius: 12px 0 0 12px;
    color: var(--color-text-secondary, #adb5bd);
    font-size: 0.9375rem;
}

.input-with-prefix .form-input,
.input-with-prefix input {
    border-radius: 0 12px 12px 0;
}

/* ============================================
   MOBILE-SPECIFIC ADJUSTMENTS
   ============================================ */

@media (max-width: 640px) {
    /* Ensure full width on mobile */
    .form-group,
    .form-input,
    .form-textarea,
    .form-select,
    .form-submit,
    .btn-submit,
    .btn-secondary,
    input,
    textarea,
    select,
    button[type="submit"] {
        width: 100%;
    }

    /* Larger touch targets */
    .form-input,
    .form-textarea,
    .form-select,
    input,
    textarea,
    select {
        min-height: 52px;
        padding: 1rem;
    }

    /* Larger buttons */
    .form-submit,
    .btn-submit,
    button[type="submit"],
    input[type="submit"] {
        min-height: 56px;
        font-size: 1.0625rem;
    }

    /* Extra spacing for forms */
    .form-group {
        margin-bottom: 1.75rem;
    }

    /* Stack buttons on very small screens */
    .form-buttons,
    .button-group {
        flex-direction: column;
    }

    /* Ensure keyboard doesn't cover inputs */
    .form-input:focus,
    .form-textarea:focus,
    input:focus,
    textarea:focus {
        scroll-margin-bottom: 120px;
    }
}

/* ============================================
   KEYBOARD TYPE HINTS
   ============================================ */

/* These classes help indicate appropriate keyboard types */
.input-email {
    /* inputmode="email" should be set in HTML */
}

.input-tel {
    /* inputmode="tel" should be set in HTML */
}

.input-numeric {
    /* inputmode="numeric" should be set in HTML */
}

.input-decimal {
    /* inputmode="decimal" should be set in HTML */
}

.input-url {
    /* inputmode="url" should be set in HTML */
}

.input-search {
    /* type="search" should be set in HTML */
}

/* ============================================
   DARK MODE / THEME ADJUSTMENTS
   ============================================ */

/* These styles work with the existing theme system */
[data-theme="cosmic"] .form-input:focus,
[data-theme="cosmic"] .form-textarea:focus,
[data-theme="cosmic"] .form-select:focus {
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

[data-theme="sacred"] .form-input:focus,
[data-theme="sacred"] .form-textarea:focus,
[data-theme="sacred"] .form-select:focus {
    box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.15);
}

[data-theme="golden"] .form-input:focus,
[data-theme="golden"] .form-textarea:focus,
[data-theme="golden"] .form-select:focus {
    box-shadow: 0 0 0 3px rgba(251, 191, 36, 0.15);
}

[data-theme="ocean"] .form-input:focus,
[data-theme="ocean"] .form-textarea:focus,
[data-theme="ocean"] .form-select:focus {
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15);
}

[data-theme="fire"] .form-input:focus,
[data-theme="fire"] .form-textarea:focus,
[data-theme="fire"] .form-select:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

/* Focus visible for keyboard navigation */
.form-input:focus-visible,
.form-textarea:focus-visible,
.form-select:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-primary, #8b7fff);
    outline-offset: 2px;
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .form-input,
    .form-textarea,
    .form-select,
    input,
    textarea,
    select {
        border-width: 2px;
    }

    .form-submit,
    .btn-submit,
    button[type="submit"] {
        border: 2px solid white;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .form-input,
    .form-textarea,
    .form-select,
    .form-submit,
    .btn-submit,
    input,
    textarea,
    select,
    button,
    .floating-label-group .form-label,
    .floating-label-group label,
    .form-error,
    .error-message {
        transition: none !important;
        animation: none !important;
    }
}