/* ═══════════════════════════════════════════════════════════
   PDV — Point of Sale Styles
   Operational-first design: clarity > aesthetics
   ═══════════════════════════════════════════════════════════ */

.pdv-sale-screen {
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-height: 100vh;
    overflow: hidden;
    background: var(--surface-primary, #0f1117);
    color: var(--text-primary, #e4e4e7);
    font-family: 'Inter', system-ui, sans-serif;
    position: relative;
}

/* ── Top Bar ─────────────────────────────────────────────── */

.pdv-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 1rem;
    background: var(--surface-secondary, #1a1d28);
    border-bottom: 1px solid var(--border-subtle, #2a2d38);
    flex-shrink: 0;
    z-index: 10;
}

.pdv-topbar-left, .pdv-topbar-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.pdv-btn-back {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.35rem 0.7rem;
    border: 1px solid var(--border-default, #3f3f46);
    border-radius: 0.5rem;
    background: transparent;
    color: var(--text-secondary, #a1a1aa);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
}
.pdv-btn-back:hover {
    background: var(--surface-primary, #0f1117);
    color: var(--text-primary, #e4e4e7);
    border-color: var(--text-tertiary, #71717a);
}

.pdv-session-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary, #a1a1aa);
}

.pdv-session-badge--closed {
    color: var(--text-disabled, #52525b);
}

.pdv-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}
.pdv-dot--open {
    background: #22c55e;
    box-shadow: 0 0 6px rgba(34, 197, 94, 0.5);
    animation: pdv-pulse 2s infinite;
}
.pdv-dot--closed { background: #71717a; }

@keyframes pdv-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.pdv-status-pill {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    white-space: nowrap;
}
.pdv-status-pill--online { background: rgba(34,197,94,0.15); color: #4ade80; }
.pdv-status-pill--offline { background: rgba(239,68,68,0.15); color: #f87171; }
.pdv-status-pill--syncing { background: rgba(59,130,246,0.15); color: #60a5fa; }

.pdv-queue-badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    background: rgba(251,146,60,0.15);
    color: #fb923c;
    cursor: pointer;
    transition: background 0.2s;
}
.pdv-queue-badge:hover { background: rgba(251,146,60,0.25); }

/* ── No Session Guard ────────────────────────────────────── */

.pdv-no-session {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    gap: 1rem;
    text-align: center;
    padding: 2rem;
}
.pdv-no-session-icon { font-size: 3rem; }
.pdv-no-session h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}
.pdv-no-session p { color: var(--text-tertiary, #71717a); }

/* ── Loading ─────────────────────────────────────────────── */

.pdv-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    gap: 1rem;
    color: var(--text-tertiary);
}

/* ── Main Layout ─────────────────────────────────────────── */

.pdv-main {
    display: flex;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.pdv-left {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 0.75rem;
    gap: 0.5rem;
    overflow-y: auto;
    min-width: 0;
}

.pdv-right {
    width: 360px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    border-left: 1px solid var(--border-subtle, #2a2d38);
    background: var(--surface-secondary, #1a1d28);
    position: relative;
}

/* ── Search ──────────────────────────────────────────────── */

.pdv-search-box {
    position: relative;
    flex-shrink: 0;
}

.pdv-search-input {
    width: 100%;
    padding: 0.875rem 3.5rem 0.875rem 1rem;
    font-size: 1.1rem;
    border: 2px solid var(--border-default, #3f3f46);
    border-radius: 0.75rem;
    background: var(--surface-primary, #0f1117);
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.2s;
}
.pdv-search-input:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}
.pdv-search-input::placeholder { color: var(--text-disabled, #52525b); }

.pdv-search-spinner {
    position: absolute;
    right: 3rem;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-default);
    border-top-color: #3b82f6;
    border-radius: 50%;
    animation: pdv-spin 0.6s linear infinite;
}

.pdv-kbd {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    background: var(--surface-secondary, #1a1d28);
    border: 1px solid var(--border-default, #3f3f46);
    color: var(--text-disabled);
    font-family: monospace;
}

/* ── Search Results ──────────────────────────────────────── */

.pdv-results {
    display: flex;
    flex-direction: column;
    gap: 2px;
    max-height: 240px;
    overflow-y: auto;
    border: 1px solid var(--border-subtle, #2a2d38);
    border-radius: 0.5rem;
    background: var(--surface-secondary, #1a1d28);
}

.pdv-result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.625rem 0.875rem;
    cursor: pointer;
    transition: background 0.1s;
}
.pdv-result-item:hover,
.pdv-result-item--selected {
    background: rgba(59, 130, 246, 0.1);
}

.pdv-result-info { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.pdv-result-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.pdv-result-ean { font-size: 0.7rem; color: var(--text-disabled); font-family: monospace; }
.pdv-result-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 2px; flex-shrink: 0; }
.pdv-result-price { font-size: 0.9rem; font-weight: 700; color: #4ade80; }
.pdv-result-stock { font-size: 0.7rem; color: var(--text-tertiary); }
.pdv-result-stock--low { color: #f87171; }

.pdv-results-empty {
    padding: 1rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-disabled);
}

/* ── Cart ────────────────────────────────────────────────── */

.pdv-cart {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.pdv-cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-subtle);
}
.pdv-cart-header h3 { font-size: 0.85rem; font-weight: 700; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; }

.pdv-cart-items {
    flex: 1;
    overflow-y: auto;
}

.pdv-cart-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-subtle, #2a2d38);
}

.pdv-cart-item-info {
    flex: 1;
    min-width: 0;
}
.pdv-cart-item-name {
    font-size: 0.85rem;
    font-weight: 500;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.pdv-cart-item-unit { font-size: 0.7rem; color: var(--text-disabled); }

.pdv-cart-item-controls {
    display: flex;
    align-items: center;
    gap: 2px;
}

.pdv-qty-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-default);
    border-radius: 4px;
    background: var(--surface-primary);
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.1s;
}
.pdv-qty-btn:hover { background: var(--surface-secondary); }
.pdv-qty-btn:disabled { opacity: 0.3; cursor: default; }

.pdv-qty-input {
    width: 48px;
    text-align: center;
    padding: 0.25rem;
    border: 1px solid var(--border-default);
    border-radius: 4px;
    background: var(--surface-primary);
    color: var(--text-primary);
    font-size: 0.85rem;
    -moz-appearance: textfield;
    appearance: textfield;
}
.pdv-qty-input::-webkit-inner-spin-button,
.pdv-qty-input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }

.pdv-cart-item-total {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
    min-width: 80px;
    text-align: right;
}

.pdv-cart-item-remove {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: var(--text-disabled);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.15s;
}
.pdv-cart-item-remove:hover { background: rgba(239,68,68,0.15); color: #f87171; }
.pdv-cart-item-remove:disabled { opacity: 0.3; cursor: default; }

/* ── Right Panel: Totals + Payment ───────────────────────── */

.pdv-totals {
    padding: 1rem;
    border-bottom: 1px solid var(--border-subtle);
}

.pdv-total-row {
    display: flex;
    justify-content: space-between;
    padding: 0.35rem 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.pdv-total-row--grand {
    margin-top: 0.5rem;
    padding-top: 0.75rem;
    border-top: 2px solid var(--border-default);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.pdv-text-green { color: #4ade80; }

/* ── Payment Section ─────────────────────────────────────── */

.pdv-payment {
    flex: 1;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    overflow-y: auto;
}

.pdv-payment-title {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.pdv-payment-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.pdv-pay-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.75rem 0.5rem;
    border: 2px solid var(--border-default, #3f3f46);
    border-radius: 0.75rem;
    background: var(--surface-primary, #0f1117);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s;
    font-size: 0.8rem;
    font-weight: 600;
}
.pdv-pay-btn:hover { border-color: var(--text-tertiary); }
.pdv-pay-btn--active {
    border-color: #3b82f6;
    background: rgba(59, 130, 246, 0.1);
    color: #60a5fa;
}
.pdv-pay-btn:disabled { opacity: 0.3; cursor: default; }
.pdv-pay-icon { font-size: 1.5rem; }

.pdv-cash-input, .pdv-fiado-input {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.pdv-cash-input label, .pdv-fiado-input label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-tertiary);
}

.pdv-money-input, .pdv-text-input {
    padding: 0.625rem 0.75rem;
    font-size: 1.1rem;
    border: 2px solid var(--border-default);
    border-radius: 0.5rem;
    background: var(--surface-primary);
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.2s;
}
.pdv-money-input:focus, .pdv-text-input:focus { border-color: #3b82f6; }

.pdv-troco {
    font-size: 1rem;
    font-weight: 700;
    color: #4ade80;
    padding: 0.25rem 0;
}
.pdv-troco--error { color: #f87171; font-size: 0.85rem; }

.pdv-payment-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: auto;
    padding-top: 0.5rem;
}

/* ── Open Payment Button ─────────────────────────────────── */

.pdv-open-payment {
    padding: 1rem;
    margin-top: auto;
}

/* ── Buttons ─────────────────────────────────────────────── */

.pdv-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.15s;
    border: none;
    white-space: nowrap;
}
.pdv-btn--sm { padding: 0.375rem 0.75rem; font-size: 0.75rem; }
.pdv-btn--lg { padding: 0.875rem 1.5rem; font-size: 1rem; width: 100%; }
.pdv-btn--primary { background: #3b82f6; color: white; }
.pdv-btn--primary:hover { background: #2563eb; }
.pdv-btn--primary:disabled { opacity: 0.4; cursor: default; }
.pdv-btn--success { background: #22c55e; color: white; }
.pdv-btn--success:hover { background: #16a34a; }
.pdv-btn--success:disabled { opacity: 0.4; cursor: default; }
.pdv-btn--ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-default);
}
.pdv-btn--ghost:hover { background: var(--surface-secondary); }
.pdv-btn--ghost:disabled { opacity: 0.4; cursor: default; }

/* ── Processing Overlay ──────────────────────────────────── */

.pdv-process-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 50;
}

.pdv-process-card {
    padding: 2rem;
    text-align: center;
}

.pdv-process-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}
.pdv-process-icon p { margin: 0; font-size: 1rem; font-weight: 600; }
.pdv-process-detail { font-size: 0.85rem; font-weight: 400; color: var(--text-tertiary); }

.pdv-check-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
    animation: pdv-pop 0.3s ease-out;
}

.pdv-error-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
}

.pdv-offline-icon { font-size: 2.5rem; }

@keyframes pdv-pop {
    0% { transform: scale(0.5); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

/* ── Spinner ─────────────────────────────────────────────── */

.pdv-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-default, #3f3f46);
    border-top-color: #3b82f6;
    border-radius: 50%;
    animation: pdv-spin 0.6s linear infinite;
}
.pdv-spinner--sm { width: 16px; height: 16px; border-width: 2px; }
.pdv-spinner--lg { width: 48px; height: 48px; border-width: 4px; }

@keyframes pdv-spin {
    to { transform: rotate(360deg); }
}

/* ── Keyboard Shortcuts Bar ──────────────────────────────── */

.pdv-shortcuts {
    flex-shrink: 0;
    padding: 0.35rem 1rem;
    background: var(--surface-secondary, #1a1d28);
    border-top: 1px solid var(--border-subtle);
    font-size: 0.7rem;
    color: var(--text-disabled);
    text-align: center;
}
.pdv-shortcuts kbd {
    font-size: 0.65rem;
    padding: 0.1rem 0.35rem;
    border-radius: 3px;
    background: var(--surface-primary);
    border: 1px solid var(--border-default);
    font-family: monospace;
    font-weight: 700;
    margin-right: 0.2rem;
}

/* ── Responsive ──────────────────────────────────────────── */

@media (max-width: 768px) {
    .pdv-main { flex-direction: column; }
    .pdv-right { width: 100%; border-left: none; border-top: 1px solid var(--border-subtle); }
    .pdv-total-row--grand { font-size: 1.25rem; }
}