/* ══════════════════════════════════════════════════════════════════════════
   Sirona Tag Input — web component (sirona-tag-input)
   Prefix: sti-
   ══════════════════════════════════════════════════════════════════════════ */

sirona-tag-input {
    position: relative;
    display: block;
    width: 100%;
}

/* ─── Trigger ─────────────────────────────────────────────────────────────── */

.sti-trigger {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.375rem;
    width: 100%;
    min-height: 2.375rem;
    padding: 0.3rem 0.5rem 0.3rem 0.625rem;
    background-color: var(--bg-secondary, #fff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 0.375rem;
    cursor: text;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.sti-trigger:hover {
    border-color: var(--blueteq-blue, #186fb5);
}

sirona-tag-input.sti--open .sti-trigger,
.sti-trigger:focus-within {
    border-color: var(--blueteq-blue, #186fb5);
    box-shadow: 0 0 0 2px rgba(24, 111, 181, 0.18);
}

/* ─── Chips ───────────────────────────────────────────────────────────────── */

.sti-chips {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.25rem;
}

.sti-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.15rem 0.4rem 0.15rem 0.5rem;
    background-color: var(--hover-bg, #f3f4f6);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 0.25rem;
    color: var(--text-primary, #1f2937);
    font-size: 0.875rem;
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sti-chip__remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    padding: 0;
    margin: 0;
    background: transparent;
    border: none;
    color: var(--text-secondary, #6b7280);
    font-size: 0.7rem;
    cursor: pointer;
    border-radius: 0.125rem;
    transition: color 0.15s ease, background-color 0.15s ease;
}

.sti-chip__remove:hover {
    color: #dc2626;
    background-color: rgba(220, 38, 38, 0.1);
}

/* ─── Inline text input ───────────────────────────────────────────────────── */

.sti-trigger__input {
    flex: 1;
    min-width: 8rem;
    border: none;
    outline: none;
    background: transparent;
    color: var(--text-primary, #1f2937);
    font-size: 0.875rem;
    font-family: inherit;
    padding: 0;
}

.sti-trigger__input::placeholder {
    color: var(--text-tertiary, #9ca3af);
}

/* ─── Chevron ─────────────────────────────────────────────────────────────── */

.sti-trigger__icon {
    flex-shrink: 0;
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--text-secondary, #6b7280);
    transition: transform 0.2s ease, color 0.15s ease;
    pointer-events: none;
}

sirona-tag-input.sti--open .sti-trigger__icon {
    transform: rotate(180deg);
    color: var(--blueteq-blue, #186fb5);
}

/* ─── Dropdown panel ──────────────────────────────────────────────────────── */

.sti-panel {
    position: fixed;
    z-index: 2000;
    background-color: var(--bg-secondary, #fff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 0.5rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    overflow: hidden;
    animation: sti-appear 0.12s ease;
}

@keyframes sti-appear {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ─── Options list ────────────────────────────────────────────────────────── */

.sti-options {
    max-height: 220px;
    overflow-y: auto;
    padding: 0.25rem;
}

/* ─── Individual option ───────────────────────────────────────────────────── */

.sti-option {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    width: 100%;
    padding: 0.4rem 0.75rem;
    border: none;
    background: none;
    border-radius: 0.25rem;
    text-align: left;
    font-size: 0.875rem;
    font-family: inherit;
    color: var(--text-primary, #1f2937);
    cursor: pointer;
    transition: background-color 0.1s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sti-option:hover,
.sti-option--active {
    background-color: var(--hover-bg, #f3f4f6);
}

.sti-option--add {
    color: var(--blueteq-blue, #186fb5);
    font-weight: 500;
    border-bottom: 1px solid var(--border-color, #e5e7eb);
    border-radius: 0;
    margin-bottom: 0.25rem;
    padding-bottom: 0.5rem;
}

.sti-option--add i {
    font-size: 0.75rem;
}

/* ─── Disabled state ──────────────────────────────────────────────────────── */

sirona-tag-input[disabled] .sti-trigger {
    pointer-events: none;
    background-color: var(--bg-tertiary, #f3f4f6);
    opacity: 0.7;
    cursor: not-allowed;
}

/* ─── Validation states ───────────────────────────────────────────────────── */

sirona-tag-input.invalid .sti-trigger,
sirona-tag-input.k-invalid .sti-trigger {
    border-color: #de1f1f !important;
    background-color: #ffe3e3 !important;
    box-shadow: none !important;
}

sirona-tag-input.corrected .sti-trigger,
sirona-tag-input.k-corrected .sti-trigger {
    border-color: #0ecc29 !important;
    background-color: #d4ffda !important;
    box-shadow: none !important;
}

/* ─── Dark mode ───────────────────────────────────────────────────────────── */

[data-theme="dark"] .sti-trigger {
    background-color: var(--input-bg, #334155);
    border-color: var(--input-border, #475569);
}

[data-theme="dark"] .sti-trigger__input {
    color: var(--text-primary, #f1f5f9);
}

[data-theme="dark"] .sti-trigger__input::placeholder {
    color: var(--text-secondary, #94a3b8);
}

[data-theme="dark"] .sti-trigger__icon {
    color: var(--text-secondary, #cbd5e1);
}

[data-theme="dark"] .sti-chip {
    background-color: var(--bg-tertiary, #334155);
    border-color: var(--input-border, #475569);
    color: var(--text-primary, #f1f5f9);
}

[data-theme="dark"] .sti-chip__remove {
    color: var(--text-secondary, #94a3b8);
}

[data-theme="dark"] .sti-panel {
    background-color: var(--bg-secondary, #1e293b);
    border-color: var(--input-border, #475569);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .sti-option {
    color: var(--text-primary, #f1f5f9);
}

[data-theme="dark"] .sti-option:hover,
[data-theme="dark"] .sti-option--active {
    background-color: var(--hover-bg, #334155);
}

[data-theme="dark"] .sti-option--add {
    border-bottom-color: var(--input-border, #475569);
}

[data-theme="dark"] sirona-tag-input[disabled] .sti-trigger {
    background-color: var(--bg-tertiary, #334155);
}

[data-theme="dark"] sirona-tag-input.invalid .sti-trigger,
[data-theme="dark"] sirona-tag-input.k-invalid .sti-trigger {
    background-color: #401c1c !important;
}

[data-theme="dark"] sirona-tag-input.corrected .sti-trigger,
[data-theme="dark"] sirona-tag-input.k-corrected .sti-trigger {
    background-color: #075412 !important;
}

/* ─── High contrast ───────────────────────────────────────────────────────── */

[data-theme="high-contrast"] .sti-trigger {
    background: #000000;
    border: 2px solid #ffffff;
    border-radius: 0;
}

[data-theme="high-contrast"] .sti-trigger__input {
    color: #ffffff;
}

[data-theme="high-contrast"] .sti-trigger__icon {
    color: #ffffff;
}

[data-theme="high-contrast"] sirona-tag-input.sti--open .sti-trigger,
[data-theme="high-contrast"] .sti-trigger:focus-within {
    outline: 2px solid #ffffff;
    outline-offset: 2px;
    box-shadow: none;
}

[data-theme="high-contrast"] .sti-chip {
    background: #000000;
    border: 2px solid #ffffff;
    color: #ffffff;
}

[data-theme="high-contrast"] .sti-chip__remove {
    color: #ffffff;
}

[data-theme="high-contrast"] .sti-panel {
    background: #000000;
    border: 2px solid #ffffff;
    border-radius: 0;
    box-shadow: none;
}

[data-theme="high-contrast"] .sti-option {
    color: #ffffff;
}

[data-theme="high-contrast"] .sti-option:hover,
[data-theme="high-contrast"] .sti-option--active {
    background-color: #0066ff;
}

[data-theme="high-contrast"] .sti-option--add {
    border-bottom: 2px solid #ffffff;
}