/*
 * FairyAurora v3.0 — Edge-Components CSS (FA-9)
 *
 * Stepper, Dropdown-Panel, Filter-Chips, Preferences-Modal.
 *
 * Token-basiert, keine Hex-Werte.
 */

/* ═══════════════════════════════════════════════════════════════════
   Stepper (horizontal + vertical)
   ═══════════════════════════════════════════════════════════════════ */

.fa-stepper {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 0;
}
.fa-stepper--horizontal { flex-direction: row; align-items: center; }

.fa-stepper__item {
    display: flex;
    align-items: center;
    flex: 1;
}

.fa-stepper__link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--fg-3);
    padding: 4px 0;
    transition: color var(--t-fast) var(--ease-out);
}
a.fa-stepper__link:hover { color: var(--primary); }

.fa-stepper__label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-sans);
    font-size: 12.5px;
}

/* Done */

/* Active */

/* Pending */
.fa-stepper__item--pending .fa-stepper__link { cursor: default; }

@media (max-width: 767.98px) {
    .fa-stepper--horizontal { flex-direction: column; align-items: flex-start; }
    .fa-stepper--horizontal .fa-stepper__item { width: 100%; flex: none; }
}

/* ═══════════════════════════════════════════════════════════════════
   Dropdown-Panel (unified)
   ═══════════════════════════════════════════════════════════════════ */

.fa-dropdown-panel {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-md); /* Kanon H5: floating surfaces use the neutral shadow, no glow ring */
    overflow: hidden;
    animation: fa-dropdown-pop var(--t-base) var(--ease-out);
}

@keyframes fa-dropdown-pop {
    from { opacity: 0; transform: scale(0.95); }
    to   { opacity: 1; transform: scale(1); }
}

@media (prefers-reduced-motion: reduce) {
    .fa-dropdown-panel { animation: none; }
}

.fa-dropdown-panel__item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 14px;
    background: transparent;
    border: none;
    text-align: left;
    text-decoration: none;
    color: var(--fg);
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 13px;
    position: relative;
    transition: background-color var(--t-fast);
}
.fa-dropdown-panel__item:hover {
    background: var(--bg);
}
.fa-dropdown-panel__item:hover::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 2px;
    background: var(--primary);
}
.fa-dropdown-panel__item.is-active {
    background: var(--primary-tint);
    color: var(--primary);
}

.fa-dropdown-panel__item-icon { color: var(--fg-3); font-size: 15px; flex-shrink: 0; }
.fa-dropdown-panel__item-body { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.fa-dropdown-panel__item-meta  { font-family: var(--font-mono); font-size: 10px; color: var(--fg-3); flex-shrink: 0; }

/* ═══════════════════════════════════════════════════════════════════
   Filter-Chips
   ═══════════════════════════════════════════════════════════════════ */

.fa-filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 10px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--r-pill);
    font-family: var(--font-sans);
    font-size: 12px;
    transition: border-color var(--t-fast);
}
.fa-filter-chip:hover { border-color: var(--border-strong); }

.fa-filter-chip--primary { background: var(--primary-tint); border-color: var(--primary); }

.fa-filter-chip--accent  { background: var(--accent-tint);  border-color: var(--accent); }

/* ═══════════════════════════════════════════════════════════════════
   Dropdown-Panel-Positioning
   ═══════════════════════════════════════════════════════════════════ */

.fa-dropdown-panel--bottom-right { right: 0; left: auto; }

/* ═══════════════════════════════════════════════════════════════════
   Preferences-Modal (Aurora-Redesign)
   ═══════════════════════════════════════════════════════════════════ */

.fa-prefs-modal {
    position: fixed;
    inset: 0;
    background: rgb(10, 14, 26, 0.5);
    backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: var(--z-modal);
    animation: fa-prefs-fade-in var(--t-base) var(--ease-out);
}
.fa-prefs-modal.d-none { display: none; }

@keyframes fa-prefs-fade-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.fa-prefs-modal__container {
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-overlay);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: fa-prefs-pop var(--t-base) var(--ease-out);
}

@keyframes fa-prefs-pop {
    from { transform: scale(0.95); opacity: 0; }
    to   { transform: scale(1);    opacity: 1; }
}

.fa-prefs-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 22px;
    border-bottom: 1px solid var(--border);
    background: var(--surface-2);
}
.fa-prefs-modal__title {
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 600;
    color: var(--fg);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}
.fa-prefs-modal__title i { color: var(--primary); font-size: 18px; }

.fa-prefs-modal__close {
    background: transparent;
    border: none;
    color: var(--fg-3);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    padding: 0 6px;
    transition: color var(--t-fast);
}
.fa-prefs-modal__close:hover { color: var(--fg); }

.fa-prefs-modal__body {
    flex: 1;
    overflow-y: auto;
    padding: 16px 22px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.fa-prefs-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}
.fa-prefs-section:last-child { border-bottom: none; padding-bottom: 0; }

.fa-prefs-section__title {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--primary);
    margin: 0 0 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.fa-prefs-section__title i { font-size: 13px; }

/* Toggle-Slider (iOS-Style) */
.fa-prefs-toggle {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
}
.fa-prefs-toggle__input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
    width: 0; height: 0;
}
.fa-prefs-toggle__slider {
    position: relative;
    display: inline-block;
    width: 36px;
    height: 20px;
    background: var(--surface-3);
    border-radius: var(--r-pill);
    transition: background-color var(--t-fast);
    flex-shrink: 0;
}
.fa-prefs-toggle__slider::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    background: var(--surface);
    border-radius: 50%;
    box-shadow: 0 1px 3px rgb(0, 0, 0, 0.2); /* design-spec: toggle knob subtle depth */
    transition: transform var(--t-fast) var(--ease-out);
}
.fa-prefs-toggle__input:checked + .fa-prefs-toggle__slider {
    background: var(--primary);
}
.fa-prefs-toggle__input:checked + .fa-prefs-toggle__slider::after {
    transform: translateX(16px);
}
.fa-prefs-toggle__input:focus-visible + .fa-prefs-toggle__slider {
    box-shadow: 0 0 0 3px var(--primary-glow);
}
.fa-prefs-toggle__label {
    font-family: var(--font-sans);
    font-size: 13px;
    color: var(--fg);
}

.fa-prefs-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.fa-prefs-modal__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    padding: 14px 22px;
    border-top: 1px solid var(--border);
    background: var(--surface-2);
}

@media (max-width: 639.98px) {
    .fa-prefs-modal { padding: 0; align-items: stretch; }
    .fa-prefs-modal__container { max-width: 100%; max-height: 100vh; border-radius: 0; }
}