/* TCG Stand — dark mode, mobile-first */

:root {
    --bg:       #0f1115;
    --elev:     #161a21;
    --elev2:    #1d222c;
    --border:   #262c38;
    --text:     #e8eaee;
    --dim:      #98a1b3;
    --accent:   #ff5a3c;
    --accent2:  #ffb13c;
    --success:  #2fbf71;
    --danger:   #ef4444;
    --info:     #3aa0ff;
    --r:        14px;
    --rs:       10px;
    --tabh:     66px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
    margin: 0; padding: 0;
    background: var(--bg); color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    font-size: 16px; line-height: 1.45;
    -webkit-font-smoothing: antialiased;
    overscroll-behavior-y: none;
}
body {
    min-height: 100dvh;
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
}

.screen { min-height: 100dvh; display: flex; flex-direction: column; }
.hidden { display: none !important; }
.muted  { color: var(--dim); }
.small  { font-size: 12px; }
.mono   { font-family: ui-monospace, monospace; }

h1 { margin: 0 0 6px;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    -webkit-background-clip: text; background-clip: text; color: transparent;
    font-size: 28px;
}
h2 { margin: 0 0 10px; font-size: 16px; }
h3 { margin: 0 0 14px; color: var(--accent2); }

/* ---------- Login ---------- */
#login-screen {
    align-items: center; justify-content: center; padding: 16px;
    background: radial-gradient(ellipse at top, #1c2230, var(--bg) 60%);
}
.card {
    background: var(--elev); border: 1px solid var(--border);
    border-radius: var(--r); padding: 20px; width: 100%;
    max-width: 460px; box-shadow: 0 20px 60px rgba(0,0,0,.4);
    margin-bottom: 14px;
}
#login-screen .card { margin: 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 14px 0; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
.grid-4 { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 6px; }
.grid-4 .kpi strong { font-size: 15px; }
.row    { display: flex; gap: 8px; }
.loader { grid-column: 1/-1; text-align: center; padding: 16px; color: var(--dim); }

.login-item {
    background: var(--elev2); border: 1px solid var(--border); color: var(--text);
    padding: 14px; border-radius: var(--rs); font-weight: 600; font-size: 16px;
    cursor: pointer; font-family: inherit;
    transition: border-color .15s, transform .1s;
}
.login-item:active { transform: scale(.97); border-color: var(--accent); }

/* ---------- App shell ---------- */
#app { padding-bottom: calc(var(--tabh) + env(safe-area-inset-bottom) + 8px); }

.topbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 16px;
    padding-top: calc(12px + env(safe-area-inset-top));
    background: var(--elev); border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 10;
}
.topbar strong { display: block; font-size: 17px; color: var(--accent2); }

.tab-content { display: none; padding: 16px; }
.tab-content.active { display: block; animation: fade .15s; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

/* ---------- Inputs ---------- */
input[type="text"], input[type="number"], input[type="file"], select, textarea {
    width: 100%;
    background: var(--elev); color: var(--text);
    border: 1px solid var(--border); border-radius: var(--rs);
    padding: 13px 14px; font-size: 16px; font-family: inherit;
    outline: none; transition: border-color .15s;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
textarea { resize: vertical; min-height: 56px; }
select {
    appearance: none; -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath fill='%2398a1b3' d='M6 8 0 0h12z'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 14px center; background-size: 12px;
    padding-right: 36px;
}

.field { display: flex; flex-direction: column; gap: 6px; margin: 12px 0; font-size: 14px; color: var(--dim); }
.field > span { font-weight: 600; }

/* ---------- Buttons ---------- */
.btn {
    appearance: none; font-family: inherit; font-weight: 600;
    border: 1px solid var(--border); background: var(--elev2); color: var(--text);
    padding: 13px 14px; font-size: 15px; border-radius: var(--rs);
    cursor: pointer; transition: transform .05s, filter .1s, border-color .15s;
}
.btn:active { transform: scale(.98); }
.btn-primary {
    background: linear-gradient(180deg, var(--accent), #d8452b);
    border-color: transparent; color: #fff;
}
.btn-primary:active { filter: brightness(1.08); }
.btn-large { padding: 16px; font-size: 17px; width: 100%; margin-top: 14px; }
.btn-pay { font-size: 14px; padding: 11px 6px; }
.btn-dashed { border-style: dashed; color: var(--dim); padding: 10px; width: 100%; margin: 8px 0; font-size: 14px; }
.btn-ghost {
    background: transparent; color: var(--dim); border: 1px solid var(--border);
    padding: 8px 12px; font-size: 14px; border-radius: var(--rs);
    cursor: pointer; font-family: inherit;
}
.btn-mini { padding: 5px 10px; font-size: 12px; border-radius: 8px; }

/* ---------- Sections ---------- */
.section-head {
    display: flex; justify-content: space-between; align-items: center;
    font-weight: 600; color: var(--dim); font-size: 14px; margin-bottom: 6px;
}

/* ---------- Lignes dynamiques ---------- */
#lines { display: flex; flex-direction: column; gap: 8px; }
.line {
    display: grid; grid-template-columns: 1fr 110px 40px; gap: 6px; align-items: center;
}
.line select, .line input {
    padding: 11px 12px; font-size: 15px;
}
.line select { padding-right: 28px; background-position: right 8px center; }
.line .x {
    background: transparent; color: var(--dim);
    border: 1px solid var(--border); border-radius: var(--rs);
    width: 40px; height: 42px; font-size: 22px; line-height: 1; cursor: pointer;
    font-family: inherit;
}
.line .x:active { color: var(--danger); border-color: var(--danger); }

.total-box {
    display: flex; justify-content: space-between; align-items: center;
    background: var(--elev2); border: 1px solid var(--border);
    border-radius: var(--rs); padding: 12px 16px; margin: 8px 0 4px;
}
.total-box span { color: var(--dim); font-size: 13px; letter-spacing: .5px; font-weight: 600; }
.total-box strong { font-size: 22px; color: var(--accent2); }

/* ---------- Méthode ---------- */
.methodes {
    border: 1px solid var(--border); border-radius: var(--rs);
    padding: 12px 14px 14px; margin: 14px 0 0;
}
.methodes legend { padding: 0 6px; color: var(--dim); font-size: 13px; }
.method {
    background: var(--elev); border: 1px solid var(--border);
    border-radius: var(--rs); padding: 12px; text-align: center;
    cursor: pointer; font-weight: 600; color: var(--dim);
    transition: border-color .15s, color .15s, background .15s;
}
.method input { display: none; }
.method:has(input:checked) { border-color: var(--accent); color: var(--text); background: var(--elev2); }

/* Fallback pour navigateurs sans :has() */
.method.is-checked { border-color: var(--accent); color: var(--text); background: var(--elev2); }

.grid-3 { margin-top: 12px; }

/* ---------- Photo preview ---------- */
.photo-preview { margin-top: 8px; max-width: 180px; border: 1px solid var(--border); border-radius: var(--rs); overflow: hidden; }
.photo-preview img { display: block; width: 100%; height: auto; }

/* ---------- Tabbar ---------- */
.tabbar {
    position: fixed; left: 0; right: 0; bottom: 0;
    height: var(--tabh);
    padding-bottom: env(safe-area-inset-bottom);
    display: grid; grid-template-columns: 1fr 1fr 1fr 1fr;
    background: var(--elev); border-top: 1px solid var(--border);
    z-index: 20;
}
.tab-btn {
    background: none; border: none; color: var(--dim);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    font-size: 20px; gap: 2px; cursor: pointer; font-family: inherit;
}
.tab-btn span { font-size: 11px; font-weight: 600; letter-spacing: .3px; }
.tab-btn.active { color: var(--accent); }

/* ---------- Histo ---------- */
.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }

.kpi { background: var(--elev2); border: 1px solid var(--border); border-radius: var(--rs); padding: 10px; text-align: center; }
.kpi small { display: block; color: var(--dim); font-size: 11px; text-transform: uppercase; letter-spacing: .5px; }
.kpi strong { font-size: 17px; margin-top: 4px; display: inline-block; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.chip {
    background: var(--elev2); border: 1px solid var(--border);
    padding: 6px 10px; border-radius: 999px; font-size: 12px; color: var(--dim);
}
.chip strong { color: var(--text); }

.list { list-style: none; margin: 0; padding: 0; }
.list li {
    position: relative;
    background: var(--elev2); border: 1px solid var(--border);
    border-radius: var(--rs); padding: 10px 38px 10px 12px; margin-bottom: 6px;
    display: flex; flex-direction: column; gap: 3px;
}
.del-btn {
    position: absolute; top: 6px; right: 6px;
    width: 28px; height: 28px;
    background: transparent; color: var(--dim);
    border: 1px solid var(--border); border-radius: 50%;
    font-size: 16px; line-height: 1; cursor: pointer;
    font-family: inherit; padding: 0;
    display: flex; align-items: center; justify-content: center;
    transition: color .15s, border-color .15s, background .15s;
}
.del-btn:active { color: #fff; background: var(--danger); border-color: var(--danger); }
.del-btn:disabled { opacity: .4; cursor: default; }
.list li.empty { color: var(--dim); text-align: center; font-style: italic; }
.recap-row { display: flex; justify-content: space-between; align-items: center; }
.recap-row .nom { font-weight: 600; color: var(--accent2); }
.recap-row .total { font-weight: 700; color: var(--success); font-size: 17px; }

.entry-top { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.entry-top .montant { font-weight: 700; color: var(--success); white-space: nowrap; }
.entry-meta { color: var(--dim); font-size: 12px; }
.entry-desc { font-size: 14px; }
.entry-photo { margin-top: 6px; max-width: 140px; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.entry-photo img { display: block; width: 100%; }

.badge {
    padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 600;
    background: var(--bg); border: 1px solid var(--info); color: var(--info);
    margin-left: 6px;
}

/* ---------- Trade ---------- */
.trade-grid {
    display: grid; grid-template-columns: 1fr auto 1fr;
    gap: 8px; align-items: stretch;
    margin-bottom: 14px;
}
.trade-slot {
    display: flex; flex-direction: column; gap: 6px;
    background: var(--elev); border: 1px solid var(--border);
    border-radius: var(--rs); padding: 10px;
    cursor: pointer;
}
.trade-slot > span {
    font-size: 12px; font-weight: 700; color: var(--dim);
    text-align: center; letter-spacing: .3px;
}
.trade-slot input[type="file"] {
    display: none;
}
.trade-preview {
    aspect-ratio: 3/4;
    background: var(--bg); border: 1px dashed var(--border);
    border-radius: var(--rs);
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
    position: relative;
}
.trade-preview img { width: 100%; height: 100%; object-fit: cover; display: block; }
.trade-ph { font-size: 40px; opacity: .4; }
.trade-arrow {
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; color: var(--accent2);
    padding: 0 4px;
}

/* Historique — vignettes trade */
.trade-entry {
    display: grid; grid-template-columns: 1fr auto 1fr;
    gap: 8px; align-items: center; margin-top: 6px;
}
.trade-entry img {
    width: 100%; aspect-ratio: 3/4; object-fit: cover;
    border-radius: 8px; border: 1px solid var(--border);
    display: block;
}
.trade-entry .trade-empty {
    aspect-ratio: 3/4;
    background: var(--bg); border: 1px dashed var(--border);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    color: var(--dim); font-size: 22px;
}
.trade-entry .trade-arrow { font-size: 18px; }

/* ---------- Modal QR ---------- */
.modal {
    position: fixed; inset: 0; z-index: 100;
    background: rgba(0,0,0,.75);
    display: flex; align-items: center; justify-content: center; padding: 20px;
}
.modal-box {
    background: var(--elev); border: 1px solid var(--border);
    border-radius: var(--r); padding: 20px;
    max-width: 360px; width: 100%; text-align: center;
}
#qr-canvas {
    display: inline-block; padding: 14px; background: #fff;
    border-radius: var(--rs); margin-bottom: 14px;
}
#qr-canvas img { display: block; width: 240px; height: 240px; cursor: pointer; }
#qr-url { word-break: break-all; color: var(--dim); margin: 0 0 14px; }

/* ---------- Toast ---------- */
.toast {
    position: fixed; left: 50%; bottom: calc(var(--tabh) + 20px + env(safe-area-inset-bottom));
    transform: translateX(-50%);
    background: var(--elev2); color: var(--text);
    padding: 12px 18px; border-radius: var(--rs); border: 1px solid var(--border);
    z-index: 200; font-size: 14px; max-width: 90vw;
    box-shadow: 0 10px 30px rgba(0,0,0,.5);
}
.toast.ok    { border-color: var(--success); }
.toast.error { border-color: var(--danger); }

/* ---------- Responsive ---------- */
@media (min-width: 600px) {
    #app, .tab-content { max-width: 640px; margin: 0 auto; }
    .tabbar { max-width: 640px; left: 50%; transform: translateX(-50%); }
}