/* =========================================================================
   FORMS - Form Input & Control Styles
   ========================================================================= */

/**
 * Form styles for inputs, selects, textareas, and form layouts.
 * Built on Bootstrap forms with BusOva theming.
 */

/* ---------------------------------------------------------------------
   Base Input Styles
   --------------------------------------------------------------------- */

.form-control,
.form-select {
    background-color: var(--bg-card-soft);
    border: 1px solid var(--border-subtle);
    border-radius: 0.45rem;
    color: var(--text-main);
    font-size: 0.9rem;
    padding: 0.5rem 0.75rem;
    transition:
        border-color 0.15s ease,
        box-shadow 0.15s ease,
        background-color 0.15s ease;
}

.form-control::placeholder {
    color: var(--text-muted);
    opacity: 0.8;
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

/* ---------------------------------------------------------------------
   Focus State
   --------------------------------------------------------------------- */

.form-control:focus,
.form-select:focus {
    border-color: var(--accent);
    background-color: var(--bg-card);
    box-shadow: 0 0 0 0.2rem var(--accent-soft);
    outline: none;
}

/* ---------------------------------------------------------------------
   Disabled & Readonly States
   --------------------------------------------------------------------- */

.form-control:disabled,
.form-select:disabled,
.form-control[readonly] {
    background-color: var(--bg-card-soft);
    opacity: 0.65;
    cursor: not-allowed;
}

.form-control-plaintext {
    padding-left: 0;
    padding-right: 0;
    border-color: transparent;
    background-color: transparent;
}

/* ---------------------------------------------------------------------
   Validation States - Success
   --------------------------------------------------------------------- */

.form-control.is-valid,
.form-select.is-valid {
    border-color: #198754;
    background-image: none;
}

.form-control.is-valid:focus,
.form-select.is-valid:focus {
    border-color: #198754;
    box-shadow: 0 0 0 0.2rem rgba(25, 135, 84, 0.2);
}

.valid-feedback {
    display: none;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: #198754;
}

.is-valid ~ .valid-feedback,
.is-valid ~ .valid-tooltip {
    display: block;
}

/* ---------------------------------------------------------------------
   Validation States - Error
   --------------------------------------------------------------------- */

.form-control.is-invalid,
.form-select.is-invalid {
    border-color: #dc3545;
    background-image: none;
}

.form-control.is-invalid:focus,
.form-select.is-invalid:focus {
    border-color: #dc3545;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

.invalid-feedback {
    display: none;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: #dc3545;
}

.is-invalid ~ .invalid-feedback,
.is-invalid ~ .invalid-tooltip {
    display: block;
}

/* ---------------------------------------------------------------------
   Input Sizes
   --------------------------------------------------------------------- */

.form-control-sm,
.form-select-sm {
    padding: 0.35rem 0.6rem;
    font-size: 0.8rem;
    border-radius: 0.35rem;
}

.form-control-lg,
.form-select-lg {
    padding: 0.65rem 1rem;
    font-size: 1rem;
    border-radius: 0.5rem;
}

/* ---------------------------------------------------------------------
   Labels
   --------------------------------------------------------------------- */

.form-label {
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 0.35rem;
    color: var(--text-main);
}

.form-label.required::after {
    content: ' *';
    color: #dc3545;
}

/* ---------------------------------------------------------------------
   Help Text
   --------------------------------------------------------------------- */

.form-text {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* ---------------------------------------------------------------------
   Input Groups
   --------------------------------------------------------------------- */

.input-group-text {
    background-color: var(--bg-card-soft);
    border-color: var(--border-subtle);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.input-group > .form-control:focus,
.input-group > .form-select:focus {
    z-index: 3;
}

/* ---------------------------------------------------------------------
   Checkboxes & Radios
   --------------------------------------------------------------------- */

.form-check-input {
    width: 1.1em;
    height: 1.1em;
    margin-top: 0.2em;
    background-color: var(--bg-card-soft);
    border: 1px solid var(--border-subtle);
    transition:
        background-color 0.15s ease,
        border-color 0.15s ease,
        box-shadow 0.15s ease;
}

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

.form-check-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 0.2rem var(--accent-soft);
}

.form-check-label {
    font-size: 0.9rem;
    color: var(--text-main);
    cursor: pointer;
}

/* Inline checkboxes/radios */
.form-check-inline {
    margin-right: 1rem;
}

/* Switch toggle */
.form-switch .form-check-input {
    width: 2.5em;
    border-radius: 2em;
}

/* ---------------------------------------------------------------------
   Select Dropdown Arrow
   --------------------------------------------------------------------- */

.form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%236c757d' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 12px;
    padding-right: 2.25rem;
    appearance: none;
}

/* ---------------------------------------------------------------------
   File Input
   --------------------------------------------------------------------- */

.form-control[type="file"] {
    padding: 0.375rem 0.75rem;
}

.form-control[type="file"]::file-selector-button {
    padding: 0.375rem 0.75rem;
    margin: -0.375rem 0.75rem -0.375rem -0.75rem;
    border: 0;
    border-right: 1px solid var(--border-subtle);
    background-color: var(--bg-card-soft);
    color: var(--text-main);
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.form-control[type="file"]::file-selector-button:hover {
    background-color: var(--border-subtle);
}

/* ---------------------------------------------------------------------
   Range Input
   --------------------------------------------------------------------- */

.form-range {
    width: 100%;
    height: 1.5rem;
    padding: 0;
    background-color: transparent;
}

.form-range::-webkit-slider-thumb {
    width: 1rem;
    height: 1rem;
    background-color: var(--accent);
    border: 0;
    border-radius: 50%;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.form-range::-webkit-slider-thumb:hover {
    background-color: var(--accent-hover);
}

.form-range::-webkit-slider-runnable-track {
    height: 0.5rem;
    background-color: var(--bg-card-soft);
    border-radius: 0.25rem;
}

/* ---------------------------------------------------------------------
   Floating Labels
   --------------------------------------------------------------------- */

.form-floating > .form-control,
.form-floating > .form-select {
    height: calc(3.5rem + 2px);
    padding: 1rem 0.75rem;
}

.form-floating > label {
    padding: 1rem 0.75rem;
    color: var(--text-muted);
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label,
.form-floating > .form-select ~ label {
    color: var(--accent);
    transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
}

/* ---------------------------------------------------------------------
   Dark Theme Adjustments
   --------------------------------------------------------------------- */

body.theme-dark .form-control,
body.theme-dark .form-select,
body.theme-dark textarea {
    background-color: var(--bg-card-soft);
    border-color: var(--border-subtle);
    color: #fff;
}

body.theme-dark .form-control::placeholder,
body.theme-dark textarea::placeholder {
    color: #9aa3bf;
    opacity: 1;
}

body.theme-dark .form-control:focus,
body.theme-dark .form-select:focus,
body.theme-dark textarea:focus {
    background-color: var(--bg-card);
    border-color: var(--accent);
    color: #fff;
}

body.theme-dark .form-label {
    color: var(--text-main);
}

body.theme-dark .form-text {
    color: #cfd5e6;
}

body.theme-dark .input-group-text {
    background-color: var(--bg-card-soft);
    border-color: var(--border-subtle);
    color: #9aa3bf;
}

body.theme-dark .form-check-input {
    background-color: var(--bg-card-soft);
    border-color: var(--border-subtle);
}

body.theme-dark .form-check-label {
    color: var(--text-main);
}

body.theme-dark .form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%239aa3bf' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
}

body.theme-dark .form-control[type="file"]::file-selector-button {
    background-color: var(--bg-card);
    border-color: var(--border-subtle);
    color: var(--text-main);
}

body.theme-dark .form-control[type="file"]::file-selector-button:hover {
    background-color: var(--border-subtle);
}

body.theme-dark .form-control-plaintext {
    color: var(--text-main);
}

body.theme-dark .valid-feedback {
    color: #75d9a3;
}

body.theme-dark .invalid-feedback {
    color: #f5a3ab;
}

/* ---------------------------------------------------------------------
   Responsive Adjustments
   --------------------------------------------------------------------- */

@media (max-width: 576px) {
    .form-control,
    .form-select {
        font-size: 16px; /* Prevents iOS zoom on focus */
    }
}