/* kcal.palus.sk — mobilná appka v prehliadači.
   Bootstrap 5 ide z CDN, toto je vrstva nad ním. Žiadny build krok. */

:root {
    /* Zeleň ako hlavná farba — appka je o zdraví, nie o zákazoch */
    --k-brand: #10b981;
    --k-brand-dark: #059669;
    --k-brand-soft: #d1fae5;

    /* Makrá majú vlastné farby a držia sa všade rovnaké.
       Odtiene sú stmavené oproti bežným Tailwind farbám, aby text na bielom
       prešiel kontrastom aj pri malých veľkostiach. */
    --k-protein: #2a78d6;
    --k-carbs: #c97f00;
    --k-fat: #b05ec7;
    --k-fiber: #0f9488;

    /* Stavy: v norme → blízko limitu → prekročené */
    --k-ok: #10b981;
    --k-near: #f59e0b;
    --k-over: #ef4444;

    --k-bg: #f6f7f9;
    --k-surface: #ffffff;
    --k-text: #0f172a;
    --k-muted: #64748b;
    --k-line: #e2e8f0;

    --k-radius: 18px;
    --k-radius-sm: 12px;
    --k-shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 8px 24px rgba(15, 23, 42, .06);
    --k-shadow-lg: 0 8px 30px rgba(15, 23, 42, .12);

    /* Výška spodnej navigácie vrátane bezpečnej zóny na iPhone */
    --k-nav-h: calc(64px + env(safe-area-inset-bottom, 0px));
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --k-bg: #0b1220;
        --k-surface: #131c2e;
        --k-text: #e8eef7;
        --k-muted: #94a3b8;
        --k-line: #24324a;
        --k-brand-soft: #05372a;
        --k-shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .35);
        /* Na tmavom podklade musia byť farby makier naopak svetlejšie */
        --k-protein: #5a9ff0;
        --k-carbs: #e8a838;
        --k-fat: #c88ada;
        --k-fiber: #35bfb0;
    }
}

:root[data-theme="dark"] {
    --k-bg: #0b1220;
    --k-surface: #131c2e;
    --k-text: #e8eef7;
    --k-muted: #94a3b8;
    --k-line: #24324a;
    --k-brand-soft: #05372a;
    --k-shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .35);
    --k-protein: #5a9ff0;
    --k-carbs: #e8a838;
    --k-fat: #c88ada;
    --k-fiber: #35bfb0;
}

* { -webkit-tap-highlight-color: transparent; }

body {
    background: var(--k-bg);
    color: var(--k-text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    /* Odsadenie, aby spodná navigácia neprekryla obsah */
    padding-bottom: calc(var(--k-nav-h) + 12px);
    overscroll-behavior-y: none;
}

/* Čísla musia byť čitateľné a nesmú „poskakovať" pri prepočte */
.k-num {
    font-variant-numeric: tabular-nums;
    font-feature-settings: 'tnum';
    letter-spacing: -.02em;
}

/* ---------- Horná lišta ---------- */

.k-top {
    position: sticky;
    top: 0;
    z-index: 1020;
    background: color-mix(in srgb, var(--k-bg) 88%, transparent);
    backdrop-filter: saturate(180%) blur(12px);
    padding: calc(env(safe-area-inset-top, 0px) + 10px) 16px 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.k-top .k-title { font-weight: 800; font-size: 1.1rem; letter-spacing: -.01em; }
.k-top .k-sub { font-size: .74rem; color: var(--k-muted); margin-top: -2px; }

.k-icon-btn {
    width: 42px; height: 42px;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 13px;
    border: 1px solid var(--k-line);
    background: var(--k-surface);
    color: var(--k-text);
    font-size: 1.15rem;
    transition: transform .12s ease, background .12s ease;
}
.k-icon-btn:active { transform: scale(.93); background: var(--k-line); }

/* ---------- Karty ---------- */

.k-card {
    background: var(--k-surface);
    border-radius: var(--k-radius);
    box-shadow: var(--k-shadow);
    padding: 16px;
    margin-bottom: 12px;
}

.k-card-tight { padding: 12px; }

/* ---------- Kruh s dnešným zostatkom ---------- */

.k-ring-wrap { display: flex; align-items: center; justify-content: center; padding: 4px 0 8px; }
.k-ring { position: relative; width: 210px; height: 210px; }
.k-ring svg { transform: rotate(-90deg); display: block; }
.k-ring-track { stroke: var(--k-line); }
.k-ring-fill {
    stroke: var(--k-brand);
    stroke-linecap: round;
    /* Plynulé dopĺňanie kruhu pri zmene */
    transition: stroke-dashoffset .7s cubic-bezier(.22, 1, .36, 1), stroke .3s ease;
}
.k-ring.is-near .k-ring-fill { stroke: var(--k-near); }
.k-ring.is-over .k-ring-fill { stroke: var(--k-over); }

.k-ring-center {
    position: absolute; inset: 0;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    text-align: center;
}
.k-ring-value { font-size: 2.9rem; font-weight: 800; line-height: 1; }
.k-ring-label { font-size: .78rem; color: var(--k-muted); margin-top: 6px; }
.k-ring-goal { font-size: .72rem; color: var(--k-muted); margin-top: 2px; }

/* ---------- Pruhy makier ---------- */

.k-macro { margin-bottom: 12px; }
.k-macro:last-child { margin-bottom: 0; }
.k-macro-head {
    display: flex; justify-content: space-between; align-items: baseline;
    font-size: .8rem; margin-bottom: 5px;
}
.k-macro-name { font-weight: 600; }
.k-macro-val { color: var(--k-muted); font-size: .76rem; }
.k-bar { height: 8px; border-radius: 99px; background: var(--k-line); overflow: hidden; }
.k-bar > span {
    display: block; height: 100%; border-radius: 99px;
    transition: width .6s cubic-bezier(.22, 1, .36, 1);
}
.k-bar.protein > span { background: var(--k-protein); }
.k-bar.carbs > span { background: var(--k-carbs); }
.k-bar.fat > span { background: var(--k-fat); }
.k-bar.fiber > span { background: var(--k-fiber); }
.k-bar.over > span { background: var(--k-over); }

/* ---------- Zoznam jedál ---------- */

.k-meal-head {
    display: flex; align-items: center; gap: 8px;
    font-size: .74rem; text-transform: uppercase; letter-spacing: .06em;
    color: var(--k-muted); font-weight: 700;
    margin: 18px 4px 8px;
}
.k-meal-head .k-meal-kcal { margin-left: auto; text-transform: none; letter-spacing: 0; }

.k-entry {
    display: flex; align-items: center; gap: 12px;
    background: var(--k-surface);
    border-radius: var(--k-radius-sm);
    padding: 11px 14px;
    margin-bottom: 7px;
    box-shadow: var(--k-shadow);
}
.k-entry-main { min-width: 0; flex: 1; }
.k-entry-name { font-weight: 600; font-size: .92rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.k-entry-sub { font-size: .76rem; color: var(--k-muted); margin-top: 1px; }
.k-entry-kcal { font-weight: 700; font-size: .95rem; white-space: nowrap; }

/* ---------- Spodná navigácia ---------- */

.k-nav {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 1030;
    height: var(--k-nav-h);
    padding-bottom: env(safe-area-inset-bottom, 0px);
    background: color-mix(in srgb, var(--k-surface) 92%, transparent);
    backdrop-filter: saturate(180%) blur(14px);
    border-top: 1px solid var(--k-line);
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    align-items: center;
}

.k-nav a {
    display: flex; flex-direction: column; align-items: center; gap: 3px;
    color: var(--k-muted); text-decoration: none;
    font-size: .66rem; font-weight: 600;
    padding-top: 6px;
    transition: color .15s ease;
}
.k-nav a i { font-size: 1.28rem; }
.k-nav a.active { color: var(--k-brand); }

/* Veľké + v strede, vystupuje nad lištu */
.k-fab-slot { position: relative; }
.k-fab {
    position: absolute; left: 50%; top: 50%;
    transform: translate(-50%, -62%);
    width: 62px; height: 62px;
    border-radius: 50%;
    background: linear-gradient(145deg, var(--k-brand) 0%, var(--k-brand-dark) 100%);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.55rem;
    text-decoration: none;
    box-shadow: 0 8px 22px rgba(16, 185, 129, .45);
    border: 4px solid var(--k-surface);
    transition: transform .15s cubic-bezier(.34, 1.56, .64, 1);
}
.k-fab i { line-height: 1; }
.k-fab:active { transform: translate(-50%, -62%) scale(.9); }

/* ---------- Ponuka (hamburger) ---------- */

.k-sheet .offcanvas-body { padding: 8px 0 20px; }
.k-sheet a, .k-sheet button {
    display: flex; align-items: center; gap: 14px;
    padding: 15px 22px;
    color: var(--k-text); text-decoration: none;
    font-weight: 600; font-size: .95rem;
    width: 100%; border: 0; background: none; text-align: left;
}
.k-sheet a:active, .k-sheet button:active { background: var(--k-line); }
.k-sheet i { font-size: 1.15rem; color: var(--k-muted); width: 22px; }

/* ---------- Tlačidlá ---------- */

.k-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    border-radius: 14px; border: 0;
    padding: 14px 18px;
    font-weight: 700; font-size: .95rem;
    background: var(--k-brand); color: #fff;
    transition: transform .12s ease, filter .12s ease;
    width: 100%;
}
.k-btn:active { transform: scale(.97); filter: brightness(.94); }
.k-btn:disabled { opacity: .5; }
.k-btn-soft { background: var(--k-brand-soft); color: var(--k-brand-dark); }
.k-btn-ghost { background: var(--k-surface); color: var(--k-text); border: 1px solid var(--k-line); }

/* ---------- Chipy (voľby množstva, rýchle akcie) ---------- */

.k-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.k-chip {
    border: 1px solid var(--k-line);
    background: var(--k-surface);
    color: var(--k-text);
    border-radius: 12px;
    padding: 11px 15px;
    font-weight: 650; font-size: .88rem;
    transition: transform .12s ease, background .12s ease, border-color .12s ease;
}
.k-chip:active { transform: scale(.95); }
.k-chip.active {
    background: var(--k-brand);
    border-color: var(--k-brand);
    color: #fff;
}

/* Vodorovný pás, ktorý sa dá potiahnuť — bez viditeľného posuvníka */
.k-scroll-x {
    display: flex; gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 2px;
}
.k-scroll-x::-webkit-scrollbar { display: none; }
.k-scroll-x > * { flex: 0 0 auto; }

/* ---------- Ribbon na pridávanie ---------- */

.k-ribbon {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-bottom: 14px;
}
.k-ribbon button {
    display: flex; flex-direction: column; align-items: center; gap: 5px;
    padding: 13px 4px;
    border-radius: var(--k-radius-sm);
    border: 1px solid var(--k-line);
    background: var(--k-surface);
    color: var(--k-text);
    font-size: .7rem; font-weight: 650;
    transition: transform .12s ease;
}
.k-ribbon button i { font-size: 1.32rem; color: var(--k-brand); }
.k-ribbon button:active { transform: scale(.95); }
.k-ribbon button.active { background: var(--k-brand); border-color: var(--k-brand); color: #fff; }
.k-ribbon button.active i { color: #fff; }

/* ---------- Výsledok vyhľadávania ---------- */

.k-result {
    display: flex; align-items: center; gap: 10px;
    background: var(--k-surface);
    border-radius: var(--k-radius-sm);
    padding: 11px 12px 11px 14px;
    margin-bottom: 7px;
    box-shadow: var(--k-shadow);
}
.k-result-main { flex: 1; min-width: 0; }
.k-result-name { font-weight: 600; font-size: .9rem; }
.k-result-sub { font-size: .74rem; color: var(--k-muted); margin-top: 1px; }

/* Rýchle „+" — pridá s prednastaveným množstvom bez medziobrazovky */
.k-quick-add {
    width: 40px; height: 40px; flex: 0 0 40px;
    border-radius: 12px; border: 0;
    background: var(--k-brand-soft); color: var(--k-brand-dark);
    font-size: 1.35rem; font-weight: 300;
    display: flex; align-items: center; justify-content: center;
    transition: transform .12s ease;
}
.k-quick-add:active { transform: scale(.88); }
.k-quick-add.done { background: var(--k-brand); color: #fff; }

.k-badge-mine {
    font-size: .6rem; font-weight: 800; text-transform: uppercase;
    letter-spacing: .05em;
    background: var(--k-brand-soft); color: var(--k-brand-dark);
    padding: 2px 6px; border-radius: 5px; margin-left: 6px;
}

/* ---------- Vlastná numerická klávesnica ---------- */

.k-pad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.k-pad button {
    padding: 16px 0;
    font-size: 1.4rem; font-weight: 650;
    border-radius: 14px;
    border: 1px solid var(--k-line);
    background: var(--k-surface);
    color: var(--k-text);
    transition: transform .1s ease, background .1s ease;
}
.k-pad button:active { transform: scale(.94); background: var(--k-line); }

.k-amount {
    text-align: center;
    font-size: 2.6rem; font-weight: 800;
    padding: 6px 0 2px;
}
.k-amount small { font-size: 1rem; font-weight: 600; color: var(--k-muted); margin-left: 8px; }

/* Panel s množstvom: obsah roluje, tlačidlo „Pridať" zostáva vždy na dosah */
#amount-sheet .offcanvas-body {
    overflow-y: auto;
    padding-bottom: calc(84px + env(safe-area-inset-bottom, 0px));
}
#amount-sheet #amount-save {
    position: sticky;
    bottom: 0;
    margin-top: 4px;
    box-shadow: 0 -12px 20px -8px var(--k-bg);
}

/* ---------- Grafy ---------- */

.k-chart { width: 100%; height: 170px; display: block; }
.k-chart .grid { stroke: var(--k-line); stroke-width: 1; }
.k-chart .bar { fill: var(--k-brand); transition: height .5s ease; }
.k-chart .bar.over { fill: var(--k-over); }
.k-chart .bar.empty { fill: var(--k-line); }
.k-chart .target-line { stroke: var(--k-muted); stroke-dasharray: 4 4; stroke-width: 1.5; }
.k-chart .label { fill: var(--k-muted); font-size: 10px; }
.k-chart .trend { fill: none; stroke: var(--k-brand); stroke-width: 2.5; stroke-linecap: round; }
.k-chart .dots { fill: var(--k-muted); }

/* ---------- Postrehy ---------- */

.k-insight {
    display: flex; gap: 10px; align-items: flex-start;
    padding: 12px 14px;
    border-radius: var(--k-radius-sm);
    font-size: .86rem;
    margin-bottom: 8px;
    background: var(--k-surface);
    border-left: 3px solid var(--k-muted);
}
.k-insight.good { border-left-color: var(--k-ok); }
.k-insight.warn { border-left-color: var(--k-near); }
.k-insight.info { border-left-color: var(--k-protein); }

/* ---------- Drobnosti ---------- */

.k-empty { text-align: center; color: var(--k-muted); padding: 34px 20px; }
.k-empty i { font-size: 2.6rem; opacity: .35; display: block; margin-bottom: 10px; }

/* Aby iOS pri fokuse do poľa nezoomoval, musí mať font aspoň 16 px */
input, select, textarea { font-size: 16px !important; }

.k-input {
    width: 100%;
    border: 1px solid var(--k-line);
    background: var(--k-surface);
    color: var(--k-text);
    border-radius: 14px;
    padding: 14px 16px;
    outline: none;
    transition: border-color .15s ease, box-shadow .15s ease;
}
.k-input:focus {
    border-color: var(--k-brand);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--k-brand) 18%, transparent);
}

.k-spinner {
    width: 20px; height: 20px;
    border: 2.5px solid rgba(255, 255, 255, .35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: k-spin .7s linear infinite;
}
@keyframes k-spin { to { transform: rotate(360deg); } }

/* Krátke potvrdenie po pridaní jedla */
.k-toast {
    position: fixed;
    left: 50%; bottom: calc(var(--k-nav-h) + 14px);
    transform: translateX(-50%) translateY(120%);
    background: var(--k-text); color: var(--k-bg);
    padding: 12px 20px; border-radius: 14px;
    font-weight: 650; font-size: .88rem;
    box-shadow: var(--k-shadow-lg);
    z-index: 1060;
    transition: transform .32s cubic-bezier(.22, 1, .36, 1), opacity .2s ease;
    max-width: 90vw;
    /* Kým nič nehlási, nesmie stáť v ceste ťuknutiu na tlačidlá pod ním */
    opacity: 0;
    pointer-events: none;
}
.k-toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

@media (prefers-reduced-motion: reduce) {
    * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}