/* The Craving Spot — POS styles
   Palette inspired by beige/cake-bakery branding.
   Replace these CSS vars when the brand identity is finalized.        */

:root {
    --bg: #FAF6F0;
    --bg-card: #FFFFFF;
    --bg-soft: #F0E6D6;
    --border: #E5D9C5;
    --primary: #8B6F47;
    --primary-dark: #6B5436;
    --accent: #D4A574;
    --text: #3D2817;
    --text-soft: #7A6651;
    --danger: #C5564A;
    --success: #5C8A5B;
    --shadow-sm: 0 1px 2px rgba(61, 40, 23, 0.06);
    --shadow-md: 0 4px 12px rgba(61, 40, 23, 0.08);
    --shadow-lg: 0 8px 24px rgba(61, 40, 23, 0.12);
    --radius: 14px;
    --radius-sm: 10px;
    --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", system-ui, sans-serif;
    font-size: 16px;
    -webkit-tap-highlight-color: transparent;
    overscroll-behavior-y: contain;
}

button { font-family: inherit; cursor: pointer; }
a { color: var(--primary); text-decoration: none; }

/* ===== Topbar ===== */
.topbar {
    position: sticky;
    top: 0;
    z-index: 30;
    display: grid;
    grid-template-columns: 44px 1fr 44px;
    align-items: center;
    gap: 8px;
    padding: 14px 16px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding-top: max(14px, env(safe-area-inset-top, 0px));
}
.topbar > .brand { grid-column: 2; justify-self: center; }
.topbar > .back-link { grid-column: 1; justify-self: start; }
.topbar > .admin-link { grid-column: 3; justify-self: end; }
.topbar > span:empty,
.topbar > .topbar-spacer { display: block; width: 38px; height: 38px; }
.brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    letter-spacing: 0.2px;
    text-align: center;
}
.brand-name { font-size: 17px; color: var(--text); }
.logo-dot {
    width: 22px; height: 22px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--primary));
}
.admin-link, .back-link {
    width: 38px; height: 38px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--text);
}
.back-link { font-size: 24px; line-height: 1; }

/* ===== Product grid ===== */
.product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 14px;
    /* Extra room so the floating cart never covers the last products,
       plus iOS safe area inset for the home indicator */
    padding-bottom: calc(180px + var(--safe-bottom));
}
.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 10px;
    text-align: left;
    box-shadow: var(--shadow-sm);
    transition: transform 0.08s ease;
    display: flex;
    flex-direction: column;
    gap: 8px;
    color: var(--text);
}
.product-card:active { transform: scale(0.97); }
.product-img {
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: var(--radius-sm);
    background: var(--bg-soft) center/cover no-repeat;
    display: flex; align-items: center; justify-content: center;
}
.product-img.placeholder span {
    font-size: 38px;
    font-weight: 800;
    color: var(--primary);
    opacity: 0.45;
}
.product-name { font-weight: 600; font-size: 14px; line-height: 1.25; }
.product-price { font-weight: 700; color: var(--primary); font-size: 16px; }

/* ===== Empty state ===== */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px 20px;
    color: var(--text-soft);
}

/* ===== Cart FAB ===== */
.cart-fab {
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    bottom: calc(16px + var(--safe-bottom));
    z-index: 40;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 999px;
    padding: 14px 22px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-lg);
    font-size: 16px;
    font-weight: 600;
    min-width: 80%;
    max-width: 460px;
    justify-content: space-between;
}
.cart-fab:disabled, .cart-fab[data-empty="1"] {
    background: var(--text-soft);
    opacity: 0.7;
}
.cart-fab-icon { font-size: 20px; }
.cart-fab-count {
    background: #fff;
    color: var(--primary);
    border-radius: 999px;
    padding: 2px 9px;
    font-size: 13px;
    font-weight: 700;
    min-width: 22px;
    text-align: center;
}
.cart-fab-total { margin-left: auto; }

/* ===== Cart drawer ===== */
.cart-backdrop {
    position: fixed; inset: 0;
    background: rgba(61, 40, 23, 0.45);
    z-index: 50;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}
.cart-backdrop.open { opacity: 1; pointer-events: auto; }
.cart-drawer {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 60;
    background: var(--bg-card);
    border-radius: 22px 22px 0 0;
    padding: 18px 16px;
    padding-bottom: calc(18px + var(--safe-bottom));
    box-shadow: var(--shadow-lg);
    transform: translateY(100%);
    transition: transform 0.25s ease;
    max-height: 85vh;
    display: flex; flex-direction: column;
}
.cart-drawer.open { transform: translateY(0); }
.cart-header {
    display: flex; justify-content: space-between; align-items: center;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 12px;
}
.cart-header h2 { margin: 0; font-size: 18px; }
.icon-btn {
    background: var(--bg-soft);
    border: none;
    width: 34px; height: 34px;
    border-radius: 50%;
    font-size: 16px;
    color: var(--text);
}
.cart-items {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding-right: 2px;
}
.cart-line {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    align-items: center;
}
.cart-line-name { font-weight: 600; }
.cart-line-price { font-size: 13px; color: var(--text-soft); }
.qty-control {
    display: flex; align-items: center; gap: 4px;
    background: var(--bg-soft);
    border-radius: 999px;
    padding: 2px;
}
.qty-control button {
    background: transparent;
    border: none;
    width: 30px; height: 30px;
    border-radius: 50%;
    font-size: 18px;
    color: var(--text);
}
.qty-control button:active { background: var(--border); }
.qty-control .qty-value {
    min-width: 24px; text-align: center; font-weight: 700;
}
.cart-line-total { font-weight: 700; color: var(--primary); }
.cart-footer { border-top: 1px solid var(--border); padding-top: 14px; }
.cart-total-row {
    display: flex; justify-content: space-between; align-items: baseline;
    margin-bottom: 12px;
    font-size: 16px;
}
.cart-total-row strong { font-size: 24px; color: var(--primary); }
.cart-footer .btn { width: 100%; margin-top: 8px; }

/* ===== Checkout page ===== */
.checkout-main {
    padding: 14px;
    /* Generous bottom so the confirm button never sits flush with
       the home indicator or browser chrome */
    padding-bottom: calc(80px + var(--safe-bottom));
    display: flex; flex-direction: column; gap: 12px;
}
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow-sm);
}
.checkout-summary .line {
    display: flex; justify-content: space-between;
    padding: 6px 0;
    border-bottom: 1px dashed var(--border);
    font-size: 14px;
}
.checkout-summary .line:last-child { border-bottom: none; }
.total-card { background: linear-gradient(135deg, #FFF8EE, #FFEFD9); }
.total-label {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--text-soft);
    font-weight: 600;
}
.amount-row {
    display: flex; align-items: center; justify-content: space-between;
    margin-top: 6px;
    gap: 10px;
}
.amount-big {
    font-size: 38px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -1px;
    line-height: 1.1;
}
.copy-btn {
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 10px;
    padding: 10px 14px;
    display: flex; flex-direction: column; align-items: center;
    gap: 2px;
    font-size: 11px;
    font-weight: 600;
}
.copy-btn .copy-icon { font-size: 18px; }
.copy-btn:active { background: var(--primary-dark); }
.copy-btn.copied { background: var(--success); }

.field-label {
    display: block;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--text-soft);
    font-weight: 600;
    margin-bottom: 6px;
}
.cash-input-row {
    display: flex; align-items: center;
    background: var(--bg-soft);
    border-radius: 12px;
    padding: 4px 12px;
    gap: 8px;
}
.cash-input-row .currency-prefix {
    font-size: 22px; font-weight: 700; color: var(--text-soft);
}
.cash-input-row input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 28px;
    font-weight: 700;
    padding: 14px 0;
    outline: none;
    color: var(--text);
    width: 100%;
    min-width: 0;
}

.quick-cash {
    display: flex; flex-wrap: wrap; gap: 8px;
    margin-top: 14px;
}
.chip {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 10px 16px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    flex: 1 1 auto;
}
.chip:active { background: var(--bg-soft); }
.chip-exact {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--text);
}

/* ===== Outcome card (Restante / Cambio / Pagado) ===== */
.outcome-card {
    transition: background 0.25s ease, border-color 0.25s ease;
    border-width: 2px;
}

/* Default: remainder to charge with card */
.outcome-card[data-mode="remainder"] {
    background: var(--bg-card);
    border-color: var(--border);
}

/* Highlight: cash overpaid — show CHANGE prominently */
.outcome-card[data-mode="change"] {
    background: linear-gradient(135deg, #DFF1DE 0%, #B9E2B7 100%);
    border-color: var(--success);
    box-shadow: 0 6px 18px rgba(92, 138, 91, 0.25);
}
.outcome-card[data-mode="change"] .total-label {
    color: #2D5F2C;
    font-size: 14px;
}
.outcome-card[data-mode="change"] .amount-big {
    color: #2D5F2C;
    font-size: 52px;
    letter-spacing: -1.5px;
}
.outcome-card[data-mode="change"] .copy-btn {
    background: var(--success);
}
.outcome-card[data-mode="change"] .copy-btn:active {
    background: #4A7349;
}

/* Exact cash payment — calm confirmation */
.outcome-card[data-mode="paid"] {
    background: #F0E6D6;
    border-color: var(--accent);
}
.outcome-card[data-mode="paid"] .amount-big {
    color: var(--text-soft);
    font-size: 26px;
}
.outcome-card[data-mode="paid"] .copy-btn { display: none; }

.outcome-hint {
    margin-top: 8px;
    font-size: 13px;
    color: var(--text-soft);
    font-weight: 500;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 18px;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    text-align: center;
    color: var(--text);
    background: var(--bg-soft);
    transition: opacity 0.1s ease;
}
.btn:disabled { opacity: 0.45; pointer-events: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:active { background: var(--primary-dark); }
.btn-secondary { background: var(--bg-card); border: 1px solid var(--border); color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-big { width: 100%; padding: 18px; font-size: 17px; }

/* ===== Toast ===== */
.toast {
    position: fixed;
    left: 50%;
    bottom: calc(28px + var(--safe-bottom));
    transform: translateX(-50%);
    background: var(--text);
    color: #fff;
    padding: 12px 18px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    z-index: 80;
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
}
.toast.show { opacity: 1; }

/* ===== Login ===== */
.login-page {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    padding: 20px;
}
.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 22px;
    width: 100%;
    max-width: 360px;
    box-shadow: var(--shadow-md);
}
.login-card h1 { margin: 0 0 4px; font-size: 22px; }
.muted { color: var(--text-soft); font-size: 14px; }
.error {
    background: #FBE5E2;
    color: var(--danger);
    padding: 10px 14px;
    border-radius: 10px;
    margin: 14px 0;
    font-size: 14px;
}
.success {
    background: #E5F0E4;
    color: var(--success);
    padding: 10px 14px;
    border-radius: 10px;
    margin: 0 14px 14px;
    font-size: 14px;
}
.login-card input[type=password],
.login-card input[type=text] {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 16px;
    margin-bottom: 14px;
}
.back-pos {
    display: block;
    text-align: center;
    margin-top: 14px;
    font-size: 14px;
    color: var(--text-soft);
}

/* ===== Admin ===== */
.admin-main {
    padding: 14px;
    padding-bottom: calc(40px + var(--safe-bottom));
    display: flex; flex-direction: column; gap: 14px;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 10px;
    text-align: center;
    box-shadow: var(--shadow-sm);
}
.stat-label { font-size: 11px; text-transform: uppercase; color: var(--text-soft); letter-spacing: 0.4px; }
.stat-value { font-size: 18px; font-weight: 800; color: var(--primary); margin-top: 6px; }
.stat-sub { font-size: 11px; color: var(--text-soft); margin-top: 2px; }
.admin-nav { display: flex; flex-direction: column; gap: 10px; }
.admin-nav .btn { width: 100%; padding: 16px; }

.product-form {
    display: flex; flex-direction: column;
    gap: 6px; margin-top: 12px;
}
.product-form input[type=text],
.product-form input[type=number],
.product-form input[type=password] {
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 15px;
    margin-bottom: 8px;
    width: 100%;
}
.checkbox-row {
    display: flex; align-items: center; gap: 8px;
    margin: 8px 0;
}
.form-actions { margin-top: 6px; }
.delete-form { margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--border); }
.delete-form .btn-danger { width: 100%; }

.product-list, .sales-list { display: flex; flex-direction: column; gap: 10px; }
.product-row summary, .sale-row summary {
    display: flex; justify-content: space-between; align-items: center;
    gap: 10px; cursor: pointer; list-style: none;
}
.product-row summary::-webkit-details-marker,
.sale-row summary::-webkit-details-marker { display: none; }
.badge {
    background: var(--bg-soft);
    color: var(--text-soft);
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 999px;
}
.sale-detail .line {
    display: flex; justify-content: space-between;
    padding: 4px 0;
    font-size: 14px;
}
.sale-detail hr {
    border: none;
    border-top: 1px dashed var(--border);
    margin: 8px 0;
}
.date-filter input[type=date] {
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 15px;
    width: 100%;
}

/* ===== Tablet / desktop tweaks ===== */
@media (min-width: 640px) {
    .product-grid { grid-template-columns: repeat(3, 1fr); }
    .cart-fab { max-width: 420px; }
}
@media (min-width: 900px) {
    .product-grid { grid-template-columns: repeat(4, 1fr); max-width: 900px; margin: 0 auto; }
    .cart-drawer { max-width: 460px; left: auto; right: 12px; bottom: 12px; border-radius: 22px; }
}