/* CalorieTracker.today — design system
   Palette: paper #FBFAF6 · ink #14181A · basil #1E7A3C · butter #FFDE59 · mint #EAF3EB */

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

/* The hidden attribute must win even over flex/grid display rules below. */
[hidden] { display: none !important; }

:root {
    --paper: #FBFAF6;
    --ink: #14181A;
    --ink-soft: #4A5250;
    --basil: #1E7A3C;
    --basil-deep: #155C2C;
    --butter: #FFDE59;
    --mint: #EAF3EB;
    --display: 'Anton', 'Arial Black', sans-serif;
    --body: 'Libre Franklin', 'Helvetica Neue', Arial, sans-serif;
    --mono: 'IBM Plex Mono', 'Courier New', monospace;
}

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

body {
    background: var(--paper);
    color: var(--ink);
    font-family: var(--body);
    font-size: 17px;
    line-height: 1.55;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

::selection { background: var(--butter); }

mark { background: var(--butter); color: inherit; padding: 0 .12em; }

/* ---------- Top bar ---------- */

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.1rem clamp(1rem, 4vw, 2.5rem);
    border-bottom: 2px solid var(--ink);
}

.logo {
    font-family: var(--display);
    font-size: 1.15rem;
    letter-spacing: .04em;
    color: var(--ink);
    text-decoration: none;
}
.logo span { color: var(--basil); }

.scans-pill {
    font-family: var(--mono);
    font-size: .8rem;
    font-weight: 600;
    background: var(--mint);
    border: 1.5px solid var(--basil);
    color: var(--basil-deep);
    border-radius: 999px;
    padding: .3rem .8rem;
    white-space: nowrap;
}

/* ---------- Hero ---------- */

.hero {
    width: min(760px, 100% - 2rem);
    margin: 0 auto;
    padding: clamp(2.5rem, 7vh, 5rem) 0 2rem;
    text-align: center;
}

.eyebrow {
    font-family: var(--mono);
    font-size: .78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .18em;
    color: var(--basil-deep);
    margin-bottom: 1.1rem;
}

.headline {
    font-family: var(--display);
    font-weight: 400;
    font-size: clamp(2.1rem, 8vw, 4.6rem);
    line-height: 1.12;
    letter-spacing: .01em;
    text-transform: uppercase;
}
.headline mark {
    padding: 0 .1em;
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
    mix-blend-mode: multiply; /* keeps neighboring lines' ink visible over the highlight */
}

.subhead {
    max-width: 34em;
    margin: 1.4rem auto 2.4rem;
    color: var(--ink-soft);
    font-size: 1.06rem;
}

/* ---------- Viewfinder / dropzone ---------- */

.viewfinder {
    position: relative;
    background: #fff;
    border: 2px solid var(--ink);
    box-shadow: 8px 8px 0 var(--ink);
    padding: clamp(1.5rem, 4vw, 3rem);
    transition: box-shadow .15s ease, transform .15s ease;
}
.viewfinder.dragover {
    transform: translate(-2px, -2px);
    box-shadow: 12px 12px 0 var(--basil);
    border-color: var(--basil);
}

.corner {
    position: absolute;
    width: 26px; height: 26px;
    border: 3px solid var(--basil);
    pointer-events: none;
}
.corner.tl { top: 10px; left: 10px; border-right: 0; border-bottom: 0; }
.corner.tr { top: 10px; right: 10px; border-left: 0; border-bottom: 0; }
.corner.bl { bottom: 10px; left: 10px; border-right: 0; border-top: 0; }
.corner.br { bottom: 10px; right: 10px; border-left: 0; border-top: 0; }

.vf-cam { width: 54px; height: 54px; color: var(--basil); margin-bottom: .8rem; }

.vf-title { font-weight: 800; font-size: 1.25rem; letter-spacing: -.01em; }

.vf-hint {
    font-family: var(--mono);
    font-size: .78rem;
    color: var(--ink-soft);
    margin: .4rem 0 1.5rem;
}

.vf-actions, .vf-preview-bar {
    display: flex;
    gap: .8rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ---------- Buttons ---------- */

.btn {
    font-family: var(--body);
    font-weight: 600;
    font-size: .95rem;
    padding: .75rem 1.5rem;
    border: 2px solid var(--ink);
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
    border-radius: 0;
}
.btn:focus-visible { outline: 3px solid var(--basil); outline-offset: 2px; }

.btn-primary {
    background: var(--basil);
    border-color: var(--basil-deep);
    color: #fff;
    box-shadow: 4px 4px 0 var(--ink);
}
.btn-primary:hover { background: var(--basil-deep); transform: translate(-1px, -1px); box-shadow: 5px 5px 0 var(--ink); }
.btn-primary:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }
.btn-primary:disabled { opacity: .55; cursor: wait; transform: none; }

.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--mint); }

/* ---------- Preview + scanning ---------- */

.vf-preview { position: relative; }

.vf-preview img {
    display: block;
    max-width: 100%;
    max-height: 420px;
    margin: 0 auto 1.2rem;
    border: 2px solid var(--ink);
}

.scanline {
    position: absolute;
    left: 0; right: 0; top: 0;
    height: 3px;
    background: var(--butter);
    box-shadow: 0 0 18px 4px rgba(255, 222, 89, .8);
    animation: scan 2.2s ease-in-out infinite;
}
@keyframes scan {
    0%, 100% { top: 2%; }
    50% { top: 94%; }
}

.vf-status {
    font-family: var(--mono);
    font-size: .85rem;
    font-weight: 600;
    color: var(--basil-deep);
    margin-top: .5rem;
    animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .45; } }

.error-note {
    margin: 1.2rem auto 0;
    max-width: 34em;
    background: #FDECEA;
    border: 2px solid #B3261E;
    color: #7a1a14;
    font-weight: 500;
    font-size: .95rem;
    padding: .8rem 1rem;
}

/* ---------- Steps ---------- */

.steps {
    width: min(980px, 100% - 2rem);
    margin: clamp(3rem, 8vh, 5rem) auto 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    border-top: 8px solid var(--ink);
    padding-top: 1.5rem;
}

.step-label {
    font-family: var(--mono);
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .14em;
    color: var(--basil-deep);
    border-bottom: 1px solid var(--ink);
    padding-bottom: .5rem;
    margin-bottom: .7rem;
}

.step h2 {
    font-family: var(--display);
    font-weight: 400;
    font-size: 1.35rem;
    text-transform: uppercase;
    letter-spacing: .02em;
    margin-bottom: .4rem;
}

.step p:not(.step-label) { color: var(--ink-soft); font-size: .95rem; }

/* ---------- Footer ---------- */

.footer {
    margin-top: auto;
    padding: 2.5rem clamp(1rem, 4vw, 2.5rem) 2rem;
    text-align: center;
    color: var(--ink-soft);
    font-size: .85rem;
}

/* ---------- Result page ---------- */

.result-page {
    width: min(980px, 100% - 2rem);
    margin: 0 auto;
    padding: clamp(2rem, 6vh, 4rem) 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: start;
}

.photo-card {
    background: #fff;
    border: 2px solid var(--ink);
    box-shadow: 8px 8px 0 var(--ink);
    padding: .8rem .8rem .5rem;
    transform: rotate(-1.2deg);
}
.photo-card img { display: block; width: 100%; border: 1px solid var(--ink); }
.photo-caption {
    font-family: var(--mono);
    font-size: .75rem;
    color: var(--ink-soft);
    text-align: center;
    padding: .6rem 0 .3rem;
    text-transform: uppercase;
    letter-spacing: .08em;
}

/* The signature: FDA nutrition-label styling */

.facts {
    background: #fff;
    border: 2px solid var(--ink);
    padding: 1.3rem 1.4rem 1.1rem;
}

.facts-title {
    font-family: var(--display);
    font-weight: 400;
    font-size: clamp(2.2rem, 5vw, 3rem);
    text-transform: uppercase;
    letter-spacing: .01em;
    line-height: 1;
}

.facts-meal { font-weight: 600; font-size: 1.05rem; margin-top: .35rem; }

.rule-thick { height: 11px; background: var(--ink); margin: .8rem 0 .7rem; }
.rule-mid   { height: 5px;  background: var(--ink); margin: .8rem 0 .7rem; }
.rule-thin  { height: 1.5px; background: var(--ink); margin: .8rem 0 .7rem; }

.facts-label {
    font-size: .8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .1em;
}

.facts-kcal {
    font-family: var(--mono);
    font-weight: 600;
    font-size: clamp(2.2rem, 6vw, 3.2rem);
    line-height: 1.15;
    margin-top: .15rem;
}
.facts-kcal .kcal-unit { font-size: 1rem; font-weight: 400; color: var(--ink-soft); }

.facts-section-label {
    font-size: .78rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .1em;
    margin-bottom: .5rem;
}

.facts-items { list-style: none; }

.facts-items li {
    display: flex;
    align-items: baseline;
    gap: .5rem;
    padding: .32rem 0;
    border-bottom: 1px solid rgba(20, 24, 26, .18);
    font-size: .95rem;
}
.facts-items li:last-child { border-bottom: 0; }

.item-name { font-weight: 500; }
.item-portion { font-style: normal; color: var(--ink-soft); font-size: .82rem; display: block; }
.item-dots { flex: 1; border-bottom: 2px dotted rgba(20, 24, 26, .35); align-self: center; min-width: 1.5rem; }
.item-kcal { font-family: var(--mono); font-weight: 600; white-space: nowrap; }

.macros { display: flex; gap: .5rem; }
.macro {
    flex: 1;
    background: var(--mint);
    border: 1.5px solid var(--ink);
    text-align: center;
    padding: .55rem .3rem .45rem;
}
.macro-num { display: block; font-family: var(--mono); font-weight: 600; font-size: 1.25rem; }
.macro-name { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-soft); }

.health-note { font-style: italic; color: var(--ink-soft); font-size: .93rem; }

.facts-disclaimer { font-size: .74rem; color: var(--ink-soft); }

.result-actions {
    grid-column: 1 / -1;
    display: flex;
    gap: .8rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: .5rem;
}

/* ---------- Responsive ---------- */

@media (max-width: 800px) {
    .steps { grid-template-columns: 1fr; gap: 1.4rem; }
    .result-page { grid-template-columns: 1fr; }
    .photo-card { transform: none; max-width: 440px; margin: 0 auto; width: 100%; }
}

@media (max-width: 480px) {
    .topbar { padding: .9rem 1rem; }
    .logo { font-size: 1rem; }
    .scans-pill { font-size: .7rem; padding: .25rem .6rem; }
    .viewfinder { padding: 1.5rem 1rem; }
    .vf-actions .btn, .vf-preview-bar .btn { width: 100%; }
    .macros { flex-direction: row; }
    .macro-num { font-size: 1.05rem; }
}

@media (prefers-reduced-motion: reduce) {
    .scanline { animation: none; top: 50%; }
    .vf-status { animation: none; }
    .btn, .viewfinder { transition: none; }
}