/* ============================================================
   SOMMELIER — Styles
   Design language: luxury minimalism inspired by kopke1638.com
   Near-black canvas · warm cream type · heritage gold accent
   Display serif (Cormorant) + clean sans (Inter)
   ============================================================ */

:root {
    /* Surfaces */
    --bg-0:        #0c0a09;   /* page base */
    --bg-1:        #141110;   /* panels */
    --bg-2:        #1b1714;   /* raised / cards */
    --bg-3:        #221d19;   /* hover raise */

    /* Hairlines */
    --line:        rgba(240, 232, 219, 0.10);
    --line-strong: rgba(240, 232, 219, 0.20);

    /* Text */
    --text:        #f1e9dc;
    --text-dim:    rgba(241, 233, 220, 0.62);
    --text-faint:  rgba(241, 233, 220, 0.42);

    /* Heritage gold accent */
    --gold:        #c2a36b;
    --gold-bright: #dcc08a;
    --gold-soft:   rgba(194, 163, 107, 0.14);
    --gold-line:   rgba(194, 163, 107, 0.40);

    /* Wine red — reserved for destructive / consume semantics */
    --wine:        #9a3340;
    --wine-bright: #b8424f;
    --wine-soft:   rgba(154, 51, 64, 0.16);
    --danger:      #e0a0a0;

    --radius:      6px;
    --radius-sm:   4px;
    --radius-pill: 999px;

    --shadow:      0 24px 60px -22px rgba(0, 0, 0, 0.75);
    --shadow-sm:   0 10px 30px -14px rgba(0, 0, 0, 0.6);

    --ease:        cubic-bezier(0.22, 0.61, 0.36, 1);

    /* Type */
    --serif: 'Cormorant Garamond', 'Georgia', serif;
    --sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--sans);
    font-size: 16px;
    min-height: 100dvh;
    background:
        radial-gradient(140% 90% at 50% -10%, rgba(194, 163, 107, 0.07), transparent 55%),
        radial-gradient(120% 80% at 80% 110%, rgba(154, 51, 64, 0.10), transparent 60%),
        linear-gradient(180deg, rgba(8, 6, 6, 0.84) 0%, rgba(8, 6, 6, 0.90) 50%, rgba(8, 6, 6, 0.94) 100%),
        url("708029c7f4da1c85949e6d2beb7a8fe0.jpg") center top / cover no-repeat fixed,
        var(--bg-0);
    color: var(--text);
    line-height: 1.6;
    letter-spacing: 0.01em;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

/* Shared eyebrow / overline label */
.eyebrow,
.filter-group label,
.form-group label,
.catalog-stat-label,
.wine-card-producer {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--text-dim);
    font-weight: 500;
}

/* ============ HEADER ============ */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.75rem clamp(1.25rem, 4vw, 3rem);
    border-bottom: 1px solid var(--line);
    background: rgba(8, 6, 6, 0.55);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 50;
}

.brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    line-height: 1;
}

.brand-icon svg { display: block; width: 34px; height: 34px; }

.brand-title {
    font-family: var(--serif);
    font-size: 1.85rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    color: var(--text);
    text-transform: uppercase;
}

.brand-tagline {
    font-size: 0.78rem;
    color: var(--text-dim);
    margin-top: 0.2rem;
    letter-spacing: 0.04em;
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.lang-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-faint);
}

.lang-select {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.9rem;
    font-family: var(--sans);
    font-size: 0.82rem;
    letter-spacing: 0.04em;
    cursor: pointer;
    min-width: 130px;
    transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.lang-select:hover { border-color: var(--gold-line); }
.lang-select:focus-visible {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 2px var(--gold-soft);
}

/* ============ SECTION NAV ============ */
.section-nav {
    display: flex;
    gap: 0.25rem;
    padding: 0 clamp(1.25rem, 4vw, 3rem);
    border-bottom: 1px solid var(--line);
    background: transparent;
    counter-reset: navcount;
    overflow-x: auto;
    scrollbar-width: none;
}
.section-nav::-webkit-scrollbar { display: none; }

.section-btn {
    background: transparent;
    color: var(--text-dim);
    border: none;
    padding: 1.15rem 1.4rem;
    font-family: var(--sans);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    cursor: pointer;
    counter-increment: navcount;
    border-bottom: 1px solid transparent;
    margin-bottom: -1px;
    white-space: nowrap;
    transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
    display: inline-flex;
    align-items: baseline;
    gap: 0.5rem;
}

.section-btn::before {
    content: "0" counter(navcount);
    font-family: var(--serif);
    font-size: 0.9rem;
    letter-spacing: 0;
    color: var(--gold);
    opacity: 0.55;
    transition: opacity 0.25s var(--ease);
}

.section-btn:hover { color: var(--text); }
.section-btn:hover::before { opacity: 0.85; }

.section-btn.active {
    color: var(--text);
    border-bottom-color: var(--gold);
}
.section-btn.active::before { opacity: 1; }

.section-btn:focus-visible {
    outline: none;
    color: var(--text);
    box-shadow: inset 0 0 0 1px var(--gold-soft);
}

/* ============ MAIN LAYOUT ============ */
.app-main {
    display: grid;
    grid-template-columns: 270px 1fr;
    gap: clamp(1.5rem, 3vw, 3rem);
    padding: clamp(2rem, 4vw, 3.5rem) clamp(1.25rem, 4vw, 3rem);
    max-width: 1440px;
    margin: 0 auto;
    width: 100%;
}

@media (max-width: 900px) {
    .app-main { grid-template-columns: 1fr; }
}

/* ============ FILTER PANEL ============ */
.filter-panel {
    background: var(--bg-1);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.75rem 1.5rem;
    height: fit-content;
    position: sticky;
    top: 6.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

@media (max-width: 900px) {
    .filter-panel { position: static; }
}

.search-bar {
    position: relative;
    display: flex;
    align-items: center;
}

.search-bar .search-icon {
    position: absolute;
    left: 0.75rem;
    font-size: 0.95rem;
    opacity: 0.5;
    pointer-events: none;
}

.search-bar input[type="search"] { width: 100%; padding-left: 2.1rem; }

.search-bar input[type="search"]::-webkit-search-cancel-button {
    filter: invert(0.7);
    cursor: pointer;
}

.filter-group { display: flex; flex-direction: column; gap: 0.55rem; }

select, input, textarea {
    width: 100%;
    background: var(--bg-2);
    color: var(--text);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-sm);
    padding: 0.65rem 0.8rem;
    font-family: var(--sans);
    font-size: 0.92rem;
    transition: border-color 0.25s var(--ease), background 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

select::placeholder, input::placeholder, textarea::placeholder { color: var(--text-faint); }

select:hover, input:hover, textarea:hover { border-color: var(--gold-line); }

select:focus, input:focus, textarea:focus {
    outline: none;
    border-color: var(--gold);
    background: var(--bg-3);
    box-shadow: 0 0 0 2px var(--gold-soft);
}

select:disabled { opacity: 0.4; cursor: not-allowed; }

select option { background: var(--bg-2); color: var(--text); }

/* ============ BUTTONS ============ */
.btn,
button {
    font-family: var(--sans);
}

.btn {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    padding: 0.7rem 1.4rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: 1px solid var(--line-strong);
    background: transparent;
    color: var(--text);
    transition: all 0.25s var(--ease);
}

.btn:hover { border-color: var(--gold-line); background: var(--gold-soft); }

.btn:focus-visible { outline: none; box-shadow: 0 0 0 2px var(--gold-soft); }

.btn-primary {
    background: var(--gold);
    color: #1a140c;
    border-color: var(--gold);
    font-weight: 600;
}
.btn-primary:hover {
    background: var(--gold-bright);
    border-color: var(--gold-bright);
    box-shadow: 0 8px 24px -10px rgba(194, 163, 107, 0.6);
}

.btn-ghost { background: transparent; color: var(--text); border-color: var(--line-strong); }
.btn-ghost:hover { background: var(--gold-soft); border-color: var(--gold-line); }

.btn-secondary {
    background: transparent;
    color: var(--text-dim);
    border-color: var(--line-strong);
}
.btn-secondary:hover { color: var(--text); border-color: var(--gold-line); background: var(--gold-soft); }

.btn-sm { padding: 0.45rem 1rem; font-size: 0.72rem; }
.btn-block { display: block; width: 100%; margin-top: 0.5rem; }

/* Filter reset */
#btn-reset {
    background: transparent;
    color: var(--text-dim);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-sm);
    padding: 0.6rem 1rem;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    cursor: pointer;
    transition: all 0.25s var(--ease);
}
#btn-reset:hover { color: var(--text); border-color: var(--gold-line); }

/* Barcode scan square button */
#btn-scan-bottle-barcode {
    flex: 0 0 auto;
    background: var(--bg-2);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-sm);
    color: var(--text);
    transition: all 0.25s var(--ease);
}
#btn-scan-bottle-barcode:hover { border-color: var(--gold-line); background: var(--bg-3); }

/* ============ LOGOUT ============ */
.btn-logout {
    margin-left: 0.5rem;
    padding: 0.45rem 1rem;
    background: transparent;
    color: var(--text-dim);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-sm);
    font-family: var(--sans);
    font-size: 0.68rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.25s var(--ease);
}
.btn-logout:hover { color: var(--text); border-color: var(--gold-line); background: var(--gold-soft); }

/* ============ LOGIN — full-bleed hero ============ */
.login-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background:
        linear-gradient(180deg, rgba(8, 6, 6, 0.78) 0%, rgba(8, 6, 6, 0.55) 40%, rgba(8, 6, 6, 0.85) 100%),
        url("708029c7f4da1c85949e6d2beb7a8fe0.jpg") center / cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    overflow-y: auto;
    animation: fade-in 0.6s var(--ease);
}

.login-card {
    /* --rx/--ry driven by interactions.js for a gentle parallax tilt */
    --rx: 0deg;
    --ry: 0deg;
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 410px;
    background: rgba(12, 10, 9, 0.72);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    padding: 2.75rem 2.25rem;
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
    transform: perspective(1100px) rotateX(var(--rx)) rotateY(var(--ry));
    transition: transform 0.4s var(--ease);
    animation: fade-in 0.7s var(--ease) both;
}

/* ============ ANIMATED GRADIENT BACKDROP ============
   Vanilla port of Aceternity's <BackgroundGradientAnimation />.
   Recoloured from the original purple/blue to the Sommelier wine + gold palette.
   Colour vars are bare "r, g, b" triplets so they can feed rgba(). */
.gradient-bg {
    --g-start:       rgb(20, 9, 12);      /* deep wine-black */
    --g-end:         rgb(8, 6, 6);        /* page base */
    --first-color:   194, 163, 107;       /* heritage gold */
    --second-color:  154, 51, 64;         /* wine red */
    --third-color:   220, 192, 138;       /* bright gold */
    --fourth-color:  92, 30, 46;          /* deep plum */
    --fifth-color:   168, 120, 70;        /* warm amber */
    --pointer-color: 194, 163, 107;       /* gold cursor glow */
    --size: 80%;
    --blending: hard-light;

    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    background: linear-gradient(40deg, var(--g-start), var(--g-end));
}

.gradient-bg__svg { position: absolute; }

.gradient-bg__layers {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    filter: url(#gradient-goo) blur(40px);
}

/* Safari struggles with the SVG goo filter — fall back to a heavy plain blur */
.gradient-bg--safari .gradient-bg__layers { filter: blur(48px); }

.gradient-bg .g {
    position: absolute;
    width: var(--size);
    height: var(--size);
    top: calc(50% - var(--size) / 2);
    left: calc(50% - var(--size) / 2);
    mix-blend-mode: var(--blending);
    background-repeat: no-repeat;
    opacity: 1;
}

.gradient-bg .g--1 {
    background: radial-gradient(circle at center, rgba(var(--first-color), 0.8) 0, rgba(var(--first-color), 0) 50%) no-repeat;
    transform-origin: center center;
    animation: gradient-moveVertical 30s ease infinite;
}
.gradient-bg .g--2 {
    background: radial-gradient(circle at center, rgba(var(--second-color), 0.8) 0, rgba(var(--second-color), 0) 50%) no-repeat;
    transform-origin: calc(50% - 400px);
    animation: gradient-moveInCircle 20s reverse infinite;
}
.gradient-bg .g--3 {
    background: radial-gradient(circle at center, rgba(var(--third-color), 0.8) 0, rgba(var(--third-color), 0) 50%) no-repeat;
    transform-origin: calc(50% + 400px);
    animation: gradient-moveInCircle 40s linear infinite;
}
.gradient-bg .g--4 {
    background: radial-gradient(circle at center, rgba(var(--fourth-color), 0.8) 0, rgba(var(--fourth-color), 0) 50%) no-repeat;
    transform-origin: calc(50% - 200px);
    animation: gradient-moveHorizontal 40s ease infinite;
    opacity: 0.7;
}
.gradient-bg .g--5 {
    background: radial-gradient(circle at center, rgba(var(--fifth-color), 0.8) 0, rgba(var(--fifth-color), 0) 50%) no-repeat;
    transform-origin: calc(50% - 800px) calc(50% + 800px);
    animation: gradient-moveInCircle 20s ease infinite;
}
.gradient-bg .g--pointer {
    width: 100%;
    height: 100%;
    top: -50%;
    left: -50%;
    background: radial-gradient(circle at center, rgba(var(--pointer-color), 0.8) 0, rgba(var(--pointer-color), 0) 50%) no-repeat;
    opacity: 0.7;
}

@keyframes gradient-moveHorizontal {
    0%   { transform: translateX(-50%) translateY(-10%); }
    50%  { transform: translateX(50%) translateY(10%); }
    100% { transform: translateX(-50%) translateY(-10%); }
}
@keyframes gradient-moveInCircle {
    0%   { transform: rotate(0deg); }
    50%  { transform: rotate(180deg); }
    100% { transform: rotate(360deg); }
}
@keyframes gradient-moveVertical {
    0%   { transform: translateY(-50%); }
    50%  { transform: translateY(50%); }
    100% { transform: translateY(-50%); }
}

.login-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.85rem;
    margin-bottom: 0.5rem;
}

.login-brand .brand-icon { color: var(--gold); }
.login-brand .brand-icon svg { width: 52px; height: 52px; }

.login-brand .brand-title {
    margin: 0;
    color: var(--text);
    letter-spacing: 0.22em;
    font-weight: 500;
}

.login-subtitle {
    text-align: center;
    color: var(--text-dim);
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    margin: 0.25rem 0 2rem;
    position: relative;
    padding-bottom: 1.5rem;
}
.login-subtitle::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 44px;
    height: 1px;
    background: var(--gold-line);
}

/* ============ CONTENT ============ */
.content-area { min-width: 0; }

.view { display: none; }
.view.active { display: block; animation: rise-in 0.5s var(--ease) both; }

.view-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 0.4rem;
}

.view-header h2 {
    font-family: var(--serif);
    font-weight: 500;
    font-size: 2.1rem;
    letter-spacing: 0.06em;
    color: var(--text);
    margin-right: auto;
}

/* View header action buttons */
#btn-add-bottle {
    background: var(--gold);
    color: #1a140c;
    border: 1px solid var(--gold);
    border-radius: var(--radius-sm);
    padding: 0.65rem 1.3rem;
    font-size: 0.74rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    cursor: pointer;
    transition: all 0.25s var(--ease);
}
#btn-add-bottle:hover {
    background: var(--gold-bright);
    border-color: var(--gold-bright);
    box-shadow: 0 8px 24px -10px rgba(194, 163, 107, 0.6);
}

#btn-export-excel {
    padding: 0.65rem 1.3rem;
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

/* Result count rows */
#inventory-count,
#catalog-count,
#history-count,
.results-meta {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--text-faint);
    margin: 0.25rem 0 1.75rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--line);
}

.empty-state {
    padding: 4rem 1rem;
    text-align: center;
    color: var(--text-faint);
    font-family: var(--serif);
    font-style: italic;
    font-size: 1.25rem;
}

/* ============ CARD GRID ============ */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    gap: 1.5rem;
}

.wine-card {
    /* Driven by interactions.js for the cursor spotlight + tilt */
    --lift: 0px;
    --rx: 0deg;
    --ry: 0deg;
    --mx: 50%;
    --my: 50%;
    background: var(--bg-1);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    transform: perspective(900px) translateY(var(--lift)) rotateX(var(--rx)) rotateY(var(--ry));
    transition: transform 0.22s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
    will-change: transform;
}

/* Gold hairline that reveals on hover */
.wine-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--gold), transparent 70%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease);
    z-index: 1;
}

/* Gold spotlight that follows the cursor */
.wine-card::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    pointer-events: none;
    opacity: 0;
    background: radial-gradient(360px circle at var(--mx) var(--my), var(--gold-soft), transparent 62%);
    transition: opacity 0.35s var(--ease);
    z-index: 0;
}

.wine-card:hover {
    --lift: -3px;
    border-color: var(--gold-line);
    box-shadow: var(--shadow-sm);
}
.wine-card:hover::before { transform: scaleX(1); }
.wine-card:hover::after { opacity: 1; }

/* Keep card content above the cursor spotlight layer */
.wine-card > * { position: relative; z-index: 1; }

.wine-card-producer { margin-bottom: 0.5rem; }

.wine-card-name {
    font-family: var(--serif);
    font-size: 1.5rem;
    font-weight: 500;
    line-height: 1.2;
    margin: 0.2rem 0 0.75rem;
    color: var(--text);
}

.wine-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-top: 0.75rem;
}

.tag {
    font-size: 0.68rem;
    padding: 0.25rem 0.65rem;
    background: transparent;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-pill);
    letter-spacing: 0.06em;
    color: var(--text-dim);
}

.tag-type { border-color: var(--gold-line); color: var(--gold); }
.tag-vintage { border-color: var(--line-strong); color: var(--text); font-variant-numeric: tabular-nums; }

.wine-card-stock {
    margin-top: 1.1rem;
    padding-top: 1.1rem;
    border-top: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

.stock-qty {
    font-family: var(--serif);
    font-size: 1.7rem;
    font-weight: 500;
    color: var(--gold);
    font-variant-numeric: tabular-nums;
}

.stock-location { color: var(--text-dim); letter-spacing: 0.02em; }

/* Drunk / archived bottle */
.wine-card.wine-card-drunk { opacity: 0.6; }
.wine-card.wine-card-drunk .wine-card-name { text-decoration: line-through; text-decoration-color: var(--gold-line); }

/* Catalog stats */
.catalog-stats {
    gap: 2rem;
    justify-content: flex-start;
}

.catalog-stat {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
    line-height: 1.1;
}

.catalog-stat strong {
    font-family: var(--serif);
    color: var(--gold);
    font-size: 1.6rem;
    font-weight: 500;
    font-variant-numeric: tabular-nums;
}

.status-badge {
    display: inline-block;
    padding: 0.25rem 0.7rem;
    font-size: 0.66rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    border-radius: var(--radius-pill);
    background: var(--wine-soft);
    border: 1px solid rgba(154, 51, 64, 0.5);
    color: var(--danger);
}

/* Loading / error */
.app-loading {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    justify-content: center;
    padding: 3rem 1rem;
    color: var(--text-dim);
    font-size: 0.85rem;
    letter-spacing: 0.04em;
}

.spinner {
    width: 1.1rem;
    height: 1.1rem;
    border: 2px solid var(--line-strong);
    border-top-color: var(--gold);
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
}

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

.load-error {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    padding: 1rem 1.25rem;
    margin: 1rem 0;
    background: var(--wine-soft);
    border: 1px solid rgba(154, 51, 64, 0.45);
    border-radius: var(--radius-sm);
    color: var(--danger);
    font-size: 0.88rem;
}

/* Card action buttons */
.wine-card-actions {
    margin-top: 1.1rem;
    padding-top: 1.1rem;
    border-top: 1px solid var(--line);
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.wine-card-actions-left {
    display: flex;
    gap: 0.4rem;
    margin-right: auto;
}

.btn-card {
    background: transparent;
    color: var(--text-dim);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-sm);
    padding: 0.4rem 0.8rem;
    font-family: var(--sans);
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.25s var(--ease);
}

.btn-card:hover { color: var(--text); border-color: var(--gold-line); background: var(--gold-soft); }
.btn-card:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-card.btn-consume { color: var(--danger); border-color: rgba(154, 51, 64, 0.4); }
.btn-card.btn-consume:hover { background: var(--wine-soft); border-color: var(--wine-bright); color: var(--danger); }

.btn-card.btn-batch { color: var(--gold); border-color: var(--gold-line); }
.btn-card.btn-batch:hover { background: var(--gold-soft); border-color: var(--gold); }
.btn-card.btn-batch::before { content: '+'; margin-right: 0.3rem; font-weight: 600; }

.btn-pairing,
.btn-card.btn-pairing {
    background: transparent;
    color: var(--gold);
    border: 1px solid var(--gold-line);
    border-radius: var(--radius-sm);
    padding: 0.4rem 0.85rem;
    font-family: var(--sans);
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.25s var(--ease);
}
.btn-pairing:hover,
.btn-card.btn-pairing:hover { background: var(--gold-soft); border-color: var(--gold); color: var(--gold-bright); }

/* ============ TOAST ============ */
.toast {
    position: fixed;
    bottom: 6.5rem;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: rgba(12, 10, 9, 0.96);
    color: var(--text);
    padding: 0.75rem 1.4rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--line-strong);
    border-left: 2px solid var(--gold);
    font-size: 0.85rem;
    letter-spacing: 0.02em;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
    z-index: 1000;
    max-width: 80%;
    box-shadow: var(--shadow-sm);
}

.toast.toast-visible { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.toast-error { border-left-color: var(--wine-bright); color: var(--danger); }

/* ============ MODAL ============ */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(6, 4, 4, 0.78);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: 1rem;
    animation: fade-in 0.3s var(--ease);
}

.modal {
    background: var(--bg-1);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    padding: 2.25rem;
    width: 100%;
    max-width: 520px;
    box-shadow: var(--shadow);
    animation: rise-in 0.35s var(--ease) both;
    max-height: 90vh;
    overflow-y: auto;
}

.modal h3 {
    font-family: var(--serif);
    font-weight: 500;
    font-size: 1.7rem;
    letter-spacing: 0.05em;
    color: var(--text);
    margin-bottom: 1.75rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--line);
}

.modal.modal-sm { max-width: 420px; padding: 1.75rem; }

.batch-wine-info,
#batch-wine-info {
    margin: -0.5rem 0 1.5rem;
    padding: 0.85rem 1rem;
    background: var(--bg-2);
    border-left: 2px solid var(--gold);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    color: var(--text);
    line-height: 1.4;
}

.form-group { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1.15rem; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-row:has(> .form-group[hidden]) { grid-template-columns: 1fr; }

.modal-actions,
.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 1.75rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--line);
}

.form-error {
    margin: 0.75rem 0 0;
    padding: 0.6rem 0.85rem;
    border-radius: var(--radius-sm);
    background: var(--wine-soft);
    border: 1px solid rgba(154, 51, 64, 0.5);
    color: var(--danger);
    font-size: 0.85rem;
}

/* ============ CHAT FAB & WINDOW ============ */
.fab,
#chat-fab {
    position: fixed;
    bottom: 1.75rem;
    right: 1.75rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--bg-2);
    color: var(--gold);
    border: 1px solid var(--gold-line);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    z-index: 90;
    transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.fab svg, #chat-fab svg { width: 26px; height: 26px; display: block; }

.fab:hover,
#chat-fab:hover {
    transform: translateY(-2px) scale(1.04);
    border-color: var(--gold);
    background: var(--bg-3);
}

.chat-window {
    position: fixed;
    bottom: 6.75rem;
    right: 1.75rem;
    width: 360px;
    height: 480px;
    max-height: calc(100dvh - 9rem);
    background: var(--bg-1);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    z-index: 91;
    overflow: hidden;
    animation: rise-in 0.35s var(--ease) both;
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.15rem;
    background: var(--bg-2);
    border-bottom: 1px solid var(--gold-line);
}

.chat-header span,
.chat-title {
    font-family: var(--serif);
    color: var(--gold);
    letter-spacing: 0.1em;
    font-size: 1.15rem;
    font-weight: 500;
}

.chat-close,
#chat-close,
.btn-icon {
    background: transparent;
    color: var(--text-dim);
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: color 0.25s var(--ease), background 0.25s var(--ease);
}
.chat-close:hover, #chat-close:hover, .btn-icon:hover { color: var(--text); background: var(--gold-soft); }

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1.15rem;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.chat-msg {
    padding: 0.7rem 0.95rem;
    border-radius: var(--radius);
    font-size: 0.9rem;
    max-width: 85%;
    white-space: pre-wrap;
    word-wrap: break-word;
    line-height: 1.5;
}

.chat-msg ul { margin: 0.4rem 0 0.2rem 1.1rem; padding: 0; }
.chat-msg li { margin: 0.15rem 0; }
.chat-msg code { background: rgba(0, 0, 0, 0.3); padding: 0.05rem 0.3rem; border-radius: 3px; font-size: 0.85em; }
.chat-msg strong { font-weight: 600; color: var(--gold); }

.chat-msg-bot {
    background: var(--bg-2);
    border: 1px solid var(--line);
    align-self: flex-start;
}

.chat-msg-user {
    background: var(--gold);
    color: #1a140c;
    align-self: flex-end;
}

.chat-msg-loading { font-style: italic; color: var(--text-dim); }
.chat-msg-loading::after {
    content: '';
    display: inline-block;
    width: 0.5em;
    text-align: left;
    animation: chat-dots 1.4s steps(4, end) infinite;
}

@keyframes chat-dots {
    0%, 20%   { content: ''; }
    40%       { content: '.'; }
    60%       { content: '..'; }
    80%, 100% { content: '...'; }
}

.chat-msg-error {
    background: var(--wine-soft);
    border: 1px solid rgba(154, 51, 64, 0.5);
    color: var(--danger);
    align-self: flex-start;
}

.chat-input-area,
.chat-input-row {
    display: flex;
    gap: 0.6rem;
    padding: 0.85rem;
    border-top: 1px solid var(--line);
    background: var(--bg-2);
}

.chat-input-area input,
.chat-input-row input { flex: 1; }

.chat-input-area .btn,
.chat-input-area button { flex: 0 0 auto; }

/* ============ SCROLLBARS ============ */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold-line); }

/* ============ ANIMATIONS ============ */
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes rise-in {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ============ MICRO-INTERACTIONS ============
   Restrained tactile feedback — a soft settle on press. */
.btn, .btn-card, .btn-pairing, .section-btn,
#btn-add-bottle, #btn-reset, #btn-scan-bottle-barcode, .btn-logout {
    transform: translateY(0);
}
.btn:active, .btn-card:active, .btn-pairing:active,
#btn-add-bottle:active, #btn-reset:active,
#btn-scan-bottle-barcode:active, .btn-logout:active {
    transform: translateY(1px);
    transition-duration: 0.06s;
}
.fab:active, #chat-fab:active {
    transform: translateY(-1px) scale(0.97);
    transition-duration: 0.06s;
}

/* ============ MISC ============ */
[hidden] { display: none !important; }

/* ============ RESPONSIVE ============ */
@media (max-width: 600px) {
    .app-header { padding: 1.25rem; flex-wrap: wrap; gap: 1rem; }
    .brand-title { font-size: 1.5rem; }
    .view-header h2 { font-size: 1.7rem; }
    .chat-window { right: 1rem; left: 1rem; width: auto; }
    .fab, #chat-fab { bottom: 1.25rem; right: 1.25rem; }
}

/* ============ ACCESSIBILITY ============ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
}