/* ============================================================
   FORM COMPONENT — Share Market Pro
   ============================================================ */

.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.form-label--required::after {
    content: ' *';
    color: var(--color-danger);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.9375rem;
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    transition: border-color 0.15s, box-shadow 0.15s;
    appearance: none;
    -webkit-appearance: none;
    font-family: var(--font-sans);
}

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

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

.form-input.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
    border-color: var(--color-danger);
}

.form-input.is-invalid:focus,
.form-select.is-invalid:focus,
.form-textarea.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(244, 67, 54, 0.1);
}

/* ── Select arrow ── */
.form-select {
    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='%23555555' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.875rem center;
    padding-right: 2.5rem;
    cursor: pointer;
}

/* ── Select arrow — dark theme ── */
[data-theme="dark"] .form-select {
    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='%23aaaaaa' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
}

.form-select option {
    background: var(--color-surface-elevated);
    color: var(--color-text-primary);
}

/* ── Light theme: ensure select is fully readable ── */
:root .form-select,
[data-theme="light"] .form-select {
    background-color: #ffffff;
    color: #0d0d0d;
    border-color: #d0d4db;
}

[data-theme="light"] .form-select option {
    background-color: #ffffff;
    color: #0d0d0d;
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

.form-hint {
    margin-top: 0.375rem;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.form-error {
    display: block;
    margin-top: 0.375rem;
    font-size: 0.8125rem;
    color: var(--color-danger);
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    cursor: pointer;
}

.form-check-input {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-top: 1px;
    accent-color: var(--color-accent);
    cursor: pointer;
}

.form-check-label {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    cursor: pointer;
    line-height: 1.5;
}

/* File Input */
.form-file {
    position: relative;
}

.form-file-input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
}

.form-file-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 2rem;
    border: 2px dashed var(--color-border-dark);
    border-radius: var(--radius-lg);
    background: var(--color-surface-elevated);
    color: var(--color-text-muted);
    font-size: 0.875rem;
    text-align: center;
    transition: border-color 0.15s, background 0.15s;
    cursor: pointer;
}

.form-file-label:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-glow);
}

.form-file-label svg { color: var(--color-accent); }

/* Input Group */
.input-group {
    display: flex;
    align-items: stretch;
}

.input-group .form-input {
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    flex: 1;
}

.input-group .btn {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    flex-shrink: 0;
}

/* Form Row */
.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

@media (max-width: 640px) {
    .form-row { grid-template-columns: 1fr; }
}