/* ==========================================================================
   COMPONENTS — Buttons, badges, forms, product cards, toasts
   Depends on: base.css
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. BUTTONS
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 11px 24px;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 700;
    letter-spacing: 0.5px;
    cursor: pointer;
    border: none;
    line-height: 1;
    text-decoration: none;
    white-space: nowrap;
    transition: background var(--ease), color var(--ease),
                border-color var(--ease), transform var(--ease),
                box-shadow var(--ease);
    user-select: none;
}
.btn:active { transform: scale(0.97); }
.btn:disabled, .btn[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Variants */
.btn--primary {
    background: var(--tx-green);
    color: var(--tx-black);
}
.btn--primary:hover {
    background: var(--tx-green-dark);
    color: var(--tx-black);
    box-shadow: var(--shadow-green);
}

.btn--secondary {
    background: var(--tx-navy);
    color: var(--tx-white);
    border: 1px solid var(--tx-border);
}
.btn--secondary:hover {
    border-color: rgba(57,255,20,0.35);
    color: var(--tx-white);
}

.btn--ghost {
    background: transparent;
    color: var(--tx-white);
    border: 1px solid rgba(240,242,255,0.25);
}
.btn--ghost:hover {
    border-color: var(--tx-white);
    color: var(--tx-white);
}

.btn--outline-green {
    background: transparent;
    color: var(--tx-green);
    border: 1px solid rgba(57,255,20,0.4);
}
.btn--outline-green:hover {
    background: var(--tx-green-glow);
    color: var(--tx-green);
}

.btn--danger {
    background: var(--tx-red);
    color: #fff;
}
.btn--danger:hover { background: #e03030; color: #fff; }

/* Sizes */
.btn--xs  { padding: 5px 12px;  font-size: var(--text-xs); }
.btn--sm  { padding: 8px 16px;  font-size: var(--text-sm); }
.btn--lg  { padding: 14px 32px; font-size: var(--text-md); }
.btn--xl  { padding: 16px 40px; font-size: var(--text-lg); }
.btn--full { width: 100%; justify-content: center; }

/* Icon-only button */
.btn--icon {
    padding: var(--space-2);
    width: 36px;
    height: 36px;
    justify-content: center;
}

/* --------------------------------------------------------------------------
   2. BADGES
   -------------------------------------------------------------------------- */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.8px;
    padding: 3px 8px;
    border-radius: var(--radius-xs);
    line-height: 1.4;
    text-transform: uppercase;
    white-space: nowrap;
}
.badge--sale     { background: var(--tx-orange); color: var(--tx-black); }
.badge--hot      { background: var(--tx-red);    color: #fff; }
.badge--new      { background: var(--tx-green);  color: var(--tx-black); }
.badge--featured { background: var(--tx-navy-light); color: var(--tx-white); border: 1px solid var(--tx-border); }
.badge--out      { background: rgba(255,255,255,0.08); color: var(--tx-muted); }

/* Count badge (cart, notifications) */
.badge--count {
    width: 18px; height: 18px;
    border-radius: 50%;
    background: var(--tx-green);
    color: var(--tx-black);
    font-size: 9px;
    padding: 0;
}

/* --------------------------------------------------------------------------
   3. FORM ELEMENTS
   -------------------------------------------------------------------------- */
.field {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    margin-bottom: var(--space-4);
}
.field__label {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--tx-muted-light);
    letter-spacing: 0.3px;
}
.field__label span { color: var(--tx-red); }  /* required asterisk */

.field__input,
.field__select,
.field__textarea {
    width: 100%;
    background: var(--tx-navy);
    border: 1px solid var(--tx-border);
    color: var(--tx-white);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: var(--text-base);
    transition: border-color var(--ease);
}
.field__input::placeholder,
.field__textarea::placeholder { color: var(--tx-muted); }
.field__input:focus,
.field__select:focus,
.field__textarea:focus {
    border-color: rgba(57,255,20,0.45);
    outline: none;
}
.field__input--error { border-color: var(--tx-red); }
.field__error { font-size: var(--text-xs); color: var(--tx-red); margin-top: var(--space-1); }
.field__hint  { font-size: var(--text-xs); color: var(--tx-muted); margin-top: var(--space-1); }

.field__textarea { resize: vertical; min-height: 120px; }
.field__select { appearance: none; cursor: pointer; }

/* Search input with icon */
.search-field {
    display: flex;
    align-items: center;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(57,255,20,0.15);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: border-color var(--ease);
}
.search-field:focus-within { border-color: rgba(57,255,20,0.4); }
.search-field input {
    flex: 1;
    background: none;
    color: var(--tx-white);
    padding: 9px 14px;
    font-size: var(--text-sm);
}
.search-field input::placeholder { color: var(--tx-muted); }
.search-field button {
    color: var(--tx-muted);
    padding: 9px 13px;
    transition: color var(--ease);
    font-size: 16px;
}
.search-field button:hover { color: var(--tx-green); }

/* Checkbox / Radio */
.field--check {
    flex-direction: row;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
}
.field--check input[type="checkbox"],
.field--check input[type="radio"] { accent-color: var(--tx-green); width: 16px; height: 16px; cursor: pointer; }

/* --------------------------------------------------------------------------
   4. PRODUCT CARD
   -------------------------------------------------------------------------- */
.product-card {
    background: var(--tx-card);
    border: 1px solid var(--tx-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: border-color var(--ease), transform var(--ease-slow), box-shadow var(--ease);
}
.product-card:hover {
    border-color: rgba(57,255,20,0.45);
    transform: translateY(-4px);
    box-shadow: var(--shadow-green);
}

/* Image area */
.product-card__thumb {
    position: relative;
    background: var(--tx-navy-light);
    aspect-ratio: 1 / 1;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.product-card__thumb img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform var(--ease-slow);
}
.product-card:hover .product-card__thumb img { transform: scale(1.05); }

.product-card__thumb .badge {
    position: absolute;
    top: 10px; left: 10px;
    z-index: var(--z-raised);
}

/* Quick-action overlay */
.product-card__actions {
    position: absolute;
    top: 10px; right: 10px;
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    opacity: 0;
    transition: opacity var(--ease);
}
.product-card:hover .product-card__actions { opacity: 1; }

.product-card__action {
    width: 34px; height: 34px;
    background: rgba(8,8,16,0.85);
    border: 1px solid var(--tx-border);
    color: var(--tx-muted-light);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 16px;
    transition: border-color var(--ease), color var(--ease);
    text-decoration: none;
}
.product-card__action:hover {
    border-color: var(--tx-green);
    color: var(--tx-green);
}
.product-card__action.is-wishlisted { color: var(--tx-green); border-color: rgba(57,255,20,0.45); }

/* Body */
.product-card__body {
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    flex: 1;
}
.product-card__brand {
    font-size: var(--text-xs);
    font-weight: 700;
    color: var(--tx-muted);
    letter-spacing: 1.2px;
    text-transform: uppercase;
    margin-bottom: var(--space-1);
}
.product-card__name {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--tx-white);
    line-height: 1.4;
    margin-bottom: var(--space-2);
    flex: 1;
}
.product-card__name a { color: inherit; }
.product-card__name a:hover { color: var(--tx-green); }

/* Rating */
.product-card__rating {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    color: var(--tx-orange);
    margin-bottom: var(--space-2);
}
.product-card__rating span { color: var(--tx-muted); }

/* Footer row: price + add button */
.product-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: var(--space-3);
    border-top: 1px solid var(--tx-border);
}
.product-card__price { display: flex; align-items: baseline; gap: var(--space-2); }
.product-card__price ins {
    font-family: var(--font-display);
    font-size: 18px;
    color: var(--tx-green);
    text-decoration: none;
}
.product-card__price del { font-size: var(--text-xs); color: var(--tx-muted); }

.product-card__add {
    width: 32px; height: 32px;
    background: var(--tx-green-subtle);
    border: 1px solid rgba(57,255,20,0.35);
    color: var(--tx-green);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; line-height: 1;
    transition: background var(--ease);
}
.product-card__add:hover { background: rgba(57,255,20,0.2); }
.product-card__add.loading { opacity: 0.6; pointer-events: none; }

/* Out of stock state */
.product-card--oos { opacity: 0.7; }
.product-card--oos .product-card__add { display: none; }
.product-card__oos-label { font-size: var(--text-xs); color: var(--tx-muted); font-weight: 700; }

/* --------------------------------------------------------------------------
   5. TOAST NOTIFICATIONS
   -------------------------------------------------------------------------- */
.toast-container {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    pointer-events: none;
}
.toast {
    background: var(--tx-navy);
    border: 1px solid var(--tx-border);
    border-left: 3px solid var(--tx-green);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--tx-white);
    box-shadow: var(--shadow-md);
    animation: fadeIn 0.25s ease both;
    pointer-events: all;
    max-width: 320px;
}
.toast--error { border-left-color: var(--tx-red); }
.toast--warning { border-left-color: var(--tx-orange); }

/* --------------------------------------------------------------------------
   6. PAGINATION
   -------------------------------------------------------------------------- */
.tx-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-8) 0;
    flex-wrap: wrap;
}
.tx-pagination a,
.tx-pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px; height: 38px;
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    font-weight: 700;
    transition: background var(--ease), border-color var(--ease), color var(--ease);
    border: 1px solid var(--tx-border);
    color: var(--tx-muted);
    text-decoration: none;
}
.tx-pagination a:hover { border-color: rgba(57,255,20,0.35); color: var(--tx-white); }
.tx-pagination .current { background: var(--tx-green); color: var(--tx-black); border-color: var(--tx-green); }

/* --------------------------------------------------------------------------
   7. BREADCRUMB
   -------------------------------------------------------------------------- */
.tx-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    color: var(--tx-muted);
    padding: var(--space-3) 0;
    flex-wrap: wrap;
}
.tx-breadcrumb a { color: var(--tx-muted); }
.tx-breadcrumb a:hover { color: var(--tx-white); }
.tx-breadcrumb__sep { color: var(--tx-border); }
.tx-breadcrumb__current { color: var(--tx-white); font-weight: 600; }

/* --------------------------------------------------------------------------
   8. LOADING SPINNER
   -------------------------------------------------------------------------- */
.tx-spinner {
    width: 20px; height: 20px;
    border: 2px solid rgba(57,255,20,0.2);
    border-top-color: var(--tx-green);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --------------------------------------------------------------------------
   9. EMPTY STATE
   -------------------------------------------------------------------------- */
.tx-empty {
    text-align: center;
    padding: var(--space-20) var(--space-6);
}
.tx-empty__icon { font-size: 48px; margin-bottom: var(--space-4); opacity: 0.5; }
.tx-empty__title { font-size: var(--text-xl); margin-bottom: var(--space-2); }
.tx-empty__text  { color: var(--tx-muted); margin-bottom: var(--space-6); }