/**
 * Modern Forms Styles - Author Portal
 * Floating labels, tag inputs, enhanced selects
 */

/* CSS Variables (fallback if not defined globally) */
/* COMMENTED OUT: These variables override the global theme variables
:root {
    --color-primary: #3b82f6;
    --color-primary-light: #eff6ff;
    --color-border: #d1d5db;
    --color-bg: #ffffff;
    --color-bg-secondary: #f9fafb;
    --color-text: #111827;
    --color-text-muted: #6b7280;
    --color-error: #ef4444;
    --font-size-base: 14px;
    --font-size-sm: 13px;
    --font-size-xs: 12px;
    --radius-sm: 4px;
    --radius-md: 8px;
    --spacing-3: 12px;
    --spacing-8: 32px;
}
*/

/* ==========================================
   Floating Label Input
   ========================================== */

.floating-field {
    position: relative;
    margin-bottom: var(--spacing-8);
    padding-bottom: 4px;
}

.floating-field__wrapper {
    position: relative;
}

.floating-field__input {
    width: 100%;
    height: 52px;
    padding: 20px 12px 6px;
    font-size: var(--font-size-base);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    background-color: var(--color-bg);
    color: var(--color-text);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    outline: none;
    box-sizing: border-box;
}

.floating-field__input::placeholder {
    color: transparent;
}

.floating-field__label {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    pointer-events: none;
    transition: all 0.2s ease;
    background: var(--color-bg);
    padding: 0 4px;
    z-index: 1;
}

/* Label floats up when input is focused or has value */
.floating-field__input:focus + .floating-field__label,
.floating-field__input:not(:placeholder-shown) + .floating-field__label,
.floating-field__input.has-value + .floating-field__label {
    top: 0;
    font-size: var(--font-size-xs);
    color: var(--color-primary);
}

/* Focus state */
.floating-field__input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* Error state */
.floating-field--error .floating-field__input,
.floating-field__input:invalid:not(:placeholder-shown) {
    border-color: var(--color-error);
}

.floating-field--error .floating-field__input:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.floating-field--error .floating-field__label {
    color: var(--color-error);
}

.floating-field__error {
    display: block;
    margin-top: 4px;
    font-size: var(--font-size-xs);
    color: var(--color-error);
    line-height: 1.3;
}

/* Hint text */
.floating-field__hint {
    display: block;
    margin-top: 4px;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* With prefix (like @) */
.floating-field--prefix .floating-field__input {
    padding-left: 28px;
}

.floating-field--prefix .floating-field__label {
    left: 28px;
}

.floating-field--prefix .floating-field__input:focus + .floating-field__label,
.floating-field--prefix .floating-field__input:not(:placeholder-shown) + .floating-field__label {
    left: 12px;
}

.floating-field__prefix {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    font-size: var(--font-size-base);
    pointer-events: none;
    z-index: 2;
}

/* With suffix (like password toggle) */
.floating-field--suffix .floating-field__input {
    padding-right: 48px;
}

.floating-field__suffix {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    gap: 4px;
    z-index: 2;
}

.floating-field__toggle {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    transition: all 0.15s ease;
    font-size: 18px;
}

.floating-field__toggle:hover {
    background: var(--color-bg-secondary);
    color: var(--color-text);
}

/* Forgot password link */
.floating-field__forgot {
    position: absolute;
    right: 48px;
    top: 50%;
    transform: translateY(-50%);
    font-size: var(--font-size-xs);
    color: var(--color-primary);
    text-decoration: none;
    z-index: 2;
}

.floating-field__forgot:hover {
    text-decoration: underline;
}

/* Textarea */
.floating-field--textarea .floating-field__input {
    min-height: 120px;
    resize: vertical;
    padding-top: 24px;
    height: auto;
}

.floating-field--textarea .floating-field__label {
    top: 16px;
}

.floating-field--textarea .floating-field__input:focus + .floating-field__label,
.floating-field--textarea .floating-field__input:not(:placeholder-shown) + .floating-field__label {
    top: 0;
}


/* ==========================================
   Password Strength Indicator
   ========================================== */

.password-meter {
    display: flex;
    align-items: center;
    gap: 12px;
    position: absolute;
    bottom: -36px;
    left: 0;
    right: 0;
}

.password-meter__bars {
    display: flex;
    gap: 4px;
    flex: 1;
}

.password-meter__bar {
    height: 4px;
    flex: 1;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-full);
    transition: background 0.3s ease;
}

.password-meter[data-strength="1"] .password-meter__bar:nth-child(1) {
    background: #ef4444;
}

.password-meter[data-strength="2"] .password-meter__bar:nth-child(-n+2) {
    background: #f59e0b;
}

.password-meter[data-strength="3"] .password-meter__bar:nth-child(-n+3) {
    background: #10b981;
}

.password-meter[data-strength="4"] .password-meter__bar {
    background: #059669;
}

.password-meter__text {
    font-size: var(--font-size-xs);
    min-width: 70px;
    text-align: right;
}

.password-meter[data-strength="1"] .password-meter__text { color: #ef4444; }
.password-meter[data-strength="2"] .password-meter__text { color: #f59e0b; }
.password-meter[data-strength="3"] .password-meter__text { color: #10b981; }
.password-meter[data-strength="4"] .password-meter__text { color: #059669; }


/* ==========================================
   Tag Input
   ========================================== */

.tag-input {
    position: relative;
    margin-bottom: var(--spacing-6);
}

.tag-input__container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    min-height: 48px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg);
    cursor: text;
    transition: all var(--transition-fast);
}

.tag-input__container:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.tag-input__tag {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-1);
    padding: var(--spacing-1) var(--spacing-2);
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    animation: tagAppear 0.2s ease;
}

@keyframes tagAppear {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.tag-input__tag-remove {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-primary);
    border-radius: 50%;
    font-size: 14px;
    line-height: 1;
    transition: all var(--transition-fast);
}

.tag-input__tag-remove:hover {
    background: var(--color-primary);
    color: white;
}

.tag-input__field {
    flex: 1;
    min-width: 120px;
    border: none;
    outline: none;
    background: transparent;
    font-size: var(--font-size-sm);
    padding: var(--spacing-1) 0;
}

.tag-input__field::placeholder {
    color: var(--color-text-muted);
}

.tag-input__label {
    position: absolute;
    left: var(--spacing-3);
    top: 0;
    transform: translateY(-50%);
    font-size: var(--font-size-xs);
    color: var(--color-primary);
    background: var(--color-bg);
    padding: 0 var(--spacing-1);
}

.tag-input__hint {
    position: absolute;
    bottom: -18px;
    left: 0;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* Suggestions dropdown */
.tag-input__suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: var(--spacing-1);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    max-height: 200px;
    overflow-y: auto;
    z-index: 100;
    display: none;
}

.tag-input__suggestions.is-open {
    display: block;
}

.tag-input__suggestion {
    padding: var(--spacing-2) var(--spacing-3);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.tag-input__suggestion:hover,
.tag-input__suggestion.is-highlighted {
    background: var(--color-bg-secondary);
}

.tag-input__suggestion-count {
    float: right;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}


/* ==========================================
   Choices.js Custom Styles
   ========================================== */

.choices {
    margin-bottom: var(--spacing-6);
    position: relative;
}

.choices__inner {
    min-height: 48px;
    padding: var(--spacing-2) var(--spacing-3);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.choices.is-focused .choices__inner {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.choices__list--single {
    padding: var(--spacing-1) 0;
}

.choices__list--single .choices__item {
    color: var(--color-text);
}

.choices__list--dropdown,
.choices__list[aria-expanded] {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    background: var(--color-bg);
    margin-top: var(--spacing-1);
    display: none;
    position: absolute;
    width: 100%;
    z-index: 99;
}

.choices.is-open .choices__list--dropdown {
    display: block;
}

.choices__list--dropdown .choices__item {
    padding: var(--spacing-3);
    font-size: var(--font-size-sm);
}

.choices__list--dropdown .choices__item--selectable.is-highlighted {
    background: var(--color-bg-secondary);
    color: var(--color-text);
}

.choices__list--dropdown .choices__item--selectable.is-selected {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.choices__placeholder {
    color: var(--color-text-muted);
    opacity: 1;
}

.choices__input {
    background: transparent;
    color: var(--color-text);
    font-size: var(--font-size-sm);
}

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

/* Multiple select */
.choices__list--multiple .choices__item {
    background: var(--color-primary-light);
    border: none;
    color: var(--color-primary);
    border-radius: var(--radius-full);
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.choices__list--multiple .choices__item .choices__button {
    border-left: none;
    background: none;
    padding-left: var(--spacing-2);
    opacity: 0.7;
}

.choices__list--multiple .choices__item .choices__button:hover {
    opacity: 1;
}

/* With floating label */
.floating-field .choices__inner {
    padding-top: var(--spacing-4);
    padding-bottom: var(--spacing-2);
}

.floating-field .choices.is-focused ~ .floating-field__label,
.floating-field .choices:not(.is-empty) ~ .floating-field__label {
    top: 0;
    transform: translateY(-50%);
    font-size: var(--font-size-xs);
    color: var(--color-primary);
}


/* ==========================================
   Native Select in Floating Field
   ========================================== */

/* Native select styling (fallback when Choices.js not loaded) */
select.floating-field__input {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M2.5 4.5L6 8l3.5-3.5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 12px;
    padding-right: 36px;
    cursor: pointer;
}

select.floating-field__input:focus {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%234f46e5' d='M2.5 4.5L6 8l3.5-3.5'/%3E%3C/svg%3E");
}

/* Select always has value visually, so label should float */
select.floating-field__input + .floating-field__label {
    top: 0;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

select.floating-field__input:focus + .floating-field__label {
    color: var(--color-primary);
}

/* Hide native select when Choices.js is active */
.choices select.floating-field__input {
    display: none;
}


/* ==========================================
   Checkbox & Radio Modern
   ========================================== */

.checkbox-modern,
.radio-modern {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    cursor: pointer;
    user-select: none;
}

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

.checkbox-modern__box,
.radio-modern__box {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    margin-top: 2px;
}

.checkbox-modern__box {
    border-radius: var(--radius-sm);
}

.radio-modern__box {
    border-radius: 50%;
}

.checkbox-modern__icon,
.radio-modern__icon {
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.15s ease;
    color: white;
    font-size: 12px;
}

.checkbox-modern__input:checked ~ .checkbox-modern__box,
.radio-modern__input:checked ~ .radio-modern__box {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-modern__input:checked ~ .checkbox-modern__box .checkbox-modern__icon,
.radio-modern__input:checked ~ .radio-modern__box .radio-modern__icon {
    opacity: 1;
    transform: scale(1);
}

.checkbox-modern__input:focus ~ .checkbox-modern__box,
.radio-modern__input:focus ~ .radio-modern__box {
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.checkbox-modern__label,
.radio-modern__label {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    line-height: 1.4;
    word-break: break-word;
    flex: 1;
}

.checkbox-modern__label a,
.radio-modern__label a {
    color: var(--color-primary);
    word-break: break-word;
    min-height: auto;
}


/* ==========================================
   Form Row (for grid layouts)
   ========================================== */

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    align-items: start;
}

.form-row .floating-field {
    margin-bottom: var(--spacing-8);
}

/* When one field has meter, both fields in row need same bottom margin */
.form-row:has(.floating-field--with-meter) .floating-field {
    margin-bottom: calc(var(--spacing-8) + 16px);
}

.form-row--3 {
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 600px) {
    .form-row,
    .form-row--3 {
        grid-template-columns: 1fr;
    }
    
    /* On mobile, only field with meter needs extra margin */
    .form-row:has(.floating-field--with-meter) .floating-field:not(.floating-field--with-meter) {
        margin-bottom: var(--spacing-8);
    }
}


/* ==========================================
   Dark Mode Adjustments
   ========================================== */

[data-theme="dark"] .floating-field__label,
[data-theme="dark"] .tag-input__label {
    background: var(--color-bg);
}

[data-theme="dark"] .choices__list--dropdown {
    background: var(--color-bg);
}