/* ═══════════════════════════════════════════════════════════════
   COMPONENTS — shared across every view
   Ported from the prototype: Kimi_Agent_Steelco ai/app/buyer.html
   ═══════════════════════════════════════════════════════════════ */

/* ─── buttons ─── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 22px;border-radius:var(--radius-btn);
  font-family:var(--font-body);font-weight:600;font-size:.9375rem;line-height:1.4;
  transition:background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease),box-shadow .16s var(--ease);
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--btn-p);color:#FFFFFF;box-shadow:var(--shadow-flat)}
.btn-primary:hover{background:var(--btn-p-hover)}
html[data-theme="dark"] .btn-primary:hover{filter:brightness(1.18)}
.btn-primary:active{background:var(--btn-p-press)}
.btn-secondary{border:1.5px solid var(--btn-sec-border);color:var(--btn-sec-label);background:transparent}
.btn-secondary:hover{background:var(--btn-sec-hover)}
.btn-ghost{color:var(--ai-blue);padding:8px 12px;min-height:44px}
.btn-ghost:hover{background:var(--btn-sec-hover)}
html[data-theme="dark"] .btn-ghost{color:var(--heading)}
.btn-sm{min-height:44px;padding:8px 14px;font-size:.8125rem}
.btn svg{width:18px;height:18px;flex:none}
.btn:disabled{opacity:.55;cursor:not-allowed;box-shadow:none}
.icon-btn{
  width:44px;height:44px;border-radius:var(--radius-btn);flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--border);color:var(--body);background:var(--surface);
  transition:background .16s var(--ease),border-color .16s var(--ease),color .16s var(--ease);
}
.icon-btn:hover{background:var(--bg-section);color:var(--heading)}
html[data-theme="dark"] .icon-btn:hover{background:var(--raised)}
.icon-btn svg{width:20px;height:20px}

/* ─── views ─── */
.view{display:none;padding:24px;flex:1;animation:viewIn .2s var(--ease)}
.view.active{display:block}
@keyframes viewIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.view-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:20px}
.view-head h1{font-size:1.375rem}
.view-head .vh-sub{font-size:.875rem;color:var(--caption)}
.view-head .vh-end{margin-inline-start:auto;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
@media (max-width:640px){.view{padding:16px}}

/* ─── cards ─── */
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-flat);padding:24px;
}
.card-pad-sm{padding:18px}
.card-title{font-size:1rem;font-weight:700;color:var(--heading);margin-bottom:4px}
.card-sub{font-size:.8125rem;color:var(--caption)}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:1fr 1fr}
@media (max-width:1080px){.grid-2{grid-template-columns:1fr}}

/* ─── chips + TTL countdown ─── */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.75rem;font-weight:600;line-height:1;
  padding:6px 12px;border-radius:var(--radius-chip);white-space:nowrap;
}
.chip svg{width:14px;height:14px}
.chip-firm{background:var(--royal);color:#FFFFFF}
html[data-theme="dark"] .chip-firm{background:var(--ai-blue)}
.chip-ind{border:1.5px solid var(--graphite);color:var(--graphite);background:transparent}
html[data-theme="dark"] .chip-ind{border-color:var(--brushed);color:var(--body)}
.chip-success{background:var(--success-bg);color:#1B7A43}
.chip-warning{background:var(--warning-bg);color:#8A5A00}
.chip-error{background:var(--error-bg);color:#A02A31}
.chip-info{background:var(--info-bg);color:#0D5FA8}
.chip-neutral{background:var(--bg-alt);color:var(--graphite);border:1px solid var(--border)}
html[data-theme="dark"] .chip-neutral{background:var(--raised);color:var(--body)}
/* Dark parity: functional hues kept, luminance lifted for AA */
html[data-theme="dark"] .chip-success{background:rgba(46,173,98,.16);color:#4ECB7F}
html[data-theme="dark"] .chip-warning{background:rgba(245,158,11,.14);color:#F5B93C}
html[data-theme="dark"] .chip-error{background:rgba(217,54,62,.16);color:#F0767C}
html[data-theme="dark"] .chip-info{background:rgba(33,150,243,.16);color:#7DBCF7}
.chip-sealed{background:var(--bg-alt);color:var(--graphite);border:1px solid var(--border)}
html[data-theme="dark"] .chip-sealed{background:var(--raised);color:var(--body)}

/* TTL countdown chip (Warning <15min, Error pulse <5min) */
.ttl-chip{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:.75rem;font-weight:600;
  padding:6px 12px;border-radius:var(--radius-chip);
  background:var(--info-bg);color:#162230;direction:ltr;unicode-bidi:isolate;
}
.ttl-chip .tdot{width:7px;height:7px;border-radius:50%;background:var(--info);flex:none}
.ttl-chip.warn{background:var(--warning-bg);color:#4B5563}
.ttl-chip.warn .tdot{background:var(--warning)}
.ttl-chip.crit{background:var(--error-bg);color:#4B5563}
.ttl-chip.crit .tdot{background:var(--error);animation:pulse 1s infinite}
.ttl-chip.done{background:var(--bg-alt);color:var(--caption)}
.ttl-chip.done .tdot{background:var(--disabled)}
html[data-theme="dark"] .ttl-chip.done{background:var(--raised)}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(1.35)}}

/* ─── KPI tiles ─── */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.kpi-tile{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:20px;padding-inline-end:56px;box-shadow:var(--shadow-flat);text-align:start;
  border-top:3px solid var(--royal);position:relative;
}
html[data-theme="dark"] .kpi-tile{border-top-color:var(--ai-blue)}
.kpi-num{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-weight:600;
  font-size:clamp(1.5rem,2.4vw,1.875rem);color:var(--heading);line-height:1.25;
  direction:ltr;unicode-bidi:isolate;display:block;text-align:start;
}
.kpi-num small{font-size:.55em;font-family:var(--font-body);font-weight:500;color:var(--caption)}
.kpi-label{font-size:.875rem;color:var(--body);margin-top:4px;font-weight:500}
.kpi-sub{font-size:.75rem;color:var(--caption);margin-top:6px;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.kpi-ic{position:absolute;top:16px;inset-inline-end:16px;width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:var(--bg-section);border:1px solid var(--border);color:var(--brushed)}
html[data-theme="dark"] .kpi-ic{background:var(--raised)}
.kpi-ic svg{width:18px;height:18px}
@media (max-width:1080px){.kpi-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.kpi-num{font-size:1.25rem}}
@media (max-width:480px){.kpi-grid{grid-template-columns:1fr 1fr;gap:12px}.kpi-tile{padding:16px 14px}.kpi-ic{display:none}.kpi-num{font-size:1.0625rem}}

/* ─── tables ─── */
.table-scroll{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius-card);background:var(--surface);box-shadow:var(--shadow-flat)}
table{width:100%;border-collapse:collapse;min-width:640px}
thead th{
  position:sticky;top:0;background:var(--bg-section);z-index:2;
  font-size:.75rem;font-weight:600;color:var(--graphite);text-align:start;
  padding:12px 16px;border-bottom:1px solid var(--border);white-space:nowrap;
}
html[data-theme="dark"] thead th{background:var(--raised);color:var(--body)}
tbody td{padding:14px 16px;border-bottom:1px solid var(--border);font-size:.875rem;vertical-align:middle}
tbody tr:last-child td{border-bottom:none}
tbody tr{transition:background .14s var(--ease)}
tbody tr:hover{background:var(--row-hover)}
tbody tr.clickable{cursor:pointer}
td .mono,.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;direction:ltr;unicode-bidi:isolate;white-space:nowrap}
.td-main{font-weight:600;color:var(--heading)}
.td-sub{font-size:.75rem;color:var(--caption)}
.row-actions{display:flex;gap:6px;justify-content:flex-end}

/* ─── committable quote card ─── */
.quote-card{
  background:var(--grad-metal);padding:1px;border-radius:12px;
  box-shadow:var(--shadow-raised);
}
.quote-inner{
  background:var(--surface);border-radius:11px;overflow:hidden;position:relative;
  padding:0 18px 18px;
}
.quote-inner::before{content:"";display:block;height:6px;margin:0 -18px 14px;background:var(--grad-metal)}
.quote-inner::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:url("../assets/logo.png") center 46%/180px no-repeat;
  opacity:.04;
}
.q-head{display:flex;align-items:center;gap:10px;margin-bottom:12px;position:relative;z-index:1}
.q-head img{width:26px;height:26px;border-radius:50%; overflow:hidden;flex:none}
.q-head-meta{display:flex;flex-direction:column;gap:1px;flex:1;min-width:0}
.q-title{font-weight:700;color:var(--heading);font-size:.875rem;line-height:1.3}
.q-ref{font-size:.75rem;color:var(--caption);line-height:1.3;font-family:var(--font-mono);font-variant-numeric:tabular-nums;direction:ltr;text-align:start}
.seal{
  display:inline-flex;align-items:center;gap:5px;
  font-size:.6875rem;font-weight:600;line-height:1;
  padding:5px 10px;border-radius:var(--radius-chip);white-space:nowrap;
}
.seal-firm{background:var(--royal);color:#FFFFFF}
html[data-theme="dark"] .seal-firm{background:var(--ai-blue)}
.seal-ind{border:1.5px solid var(--graphite);color:var(--graphite);background:transparent}
html[data-theme="dark"] .seal-ind{border-color:var(--brushed);color:var(--body)}
.q-lines{border-top:1px solid var(--border);position:relative;z-index:1}
.q-line{padding:12px 0;border-bottom:1px solid var(--border)}
.q-line-top{display:flex;align-items:center;gap:8px;margin-bottom:4px}
.q-line-top .profile-ic{color:var(--brushed)}
.q-item{font-weight:600;color:var(--charcoal);font-size:.875rem;flex:1;min-width:0}
html[data-theme="dark"] .q-item{color:var(--heading)}
/* Size labels are mixed-direction: the offline build sends ASCII ("3.3×3.3 · 2 mm"),
   the backend sends the market's Arabic form ("3.3×3.3 سم سماكة 2 مم" — catalogue_sync._size_ar).
   Forcing `direction:ltr` was right for the first and scrambles the second: the
   cross-section jumps to the end of the phrase. Isolation still applies (so the
   label can't reorder its surroundings), but the direction comes from the text
   itself via dir="auto" in the markup. */
.q-item .dims{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-weight:500;color:var(--n-600);font-size:.75rem;unicode-bidi:isolate}
html[data-theme="dark"] .q-item .dims{color:var(--brushed)}
.q-line-nums{display:flex;align-items:baseline;justify-content:space-between;gap:8px}
.q-calc{font-size:.75rem;color:var(--caption);font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.q-lt{font-size:.9375rem;font-weight:600;color:var(--heading);font-family:var(--font-mono);font-variant-numeric:tabular-nums;direction:ltr}
.q-split-label{
  display:flex;align-items:center;gap:8px;padding:12px 0 0;font-size:.75rem;font-weight:700;color:var(--caption);
}
.q-split-label::after{content:"";flex:1;height:1px;background:var(--border)}
.q-total{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:14px 0 10px;position:relative;z-index:1}
.q-total-label{font-weight:700;color:var(--charcoal);font-size:.9375rem}
html[data-theme="dark"] .q-total-label{color:var(--heading)}
.q-total-val{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-weight:600;font-size:1.125rem;color:var(--royal);direction:ltr;unicode-bidi:isolate}
html[data-theme="dark"] .q-total-val{color:var(--heading)}
.q-subtotal{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:6px 0;font-size:.8125rem;color:var(--body);position:relative;z-index:1}
.q-subtotal .num{color:var(--heading)}
.q-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;position:relative;z-index:1}
.q-valid{font-size:.75rem;color:var(--caption)}
.q-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px;position:relative;z-index:1}

/* ─── filters bar ─── */
.filters{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.filters .f-label{font-size:.8125rem;font-weight:600;color:var(--caption);display:inline-flex;align-items:center;gap:6px}
.filters .f-label svg{width:16px;height:16px}
.select{
  min-height:44px;border:1px solid var(--border);border-radius:var(--radius-btn);
  background:var(--surface);color:var(--heading);font-family:var(--font-body);
  font-size:.875rem;font-weight:500;padding:8px 36px 8px 14px;padding-inline-start:14px;padding-inline-end:36px;
  appearance:none;-webkit-appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237B8895' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:left 10px center;background-size:16px;
}
html[dir="rtl"] .select{background-position:left 10px center}
html[dir="ltr"] .select{background-position:right 10px center}
.select:focus{border-color:var(--ai-blue)}

/* ─── banners + detail wrap ─── */
.detail-wrap{margin-top:20px;display:none}
.detail-wrap.open{display:block;animation:viewIn .2s var(--ease)}
.banner{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  border-radius:var(--radius-card);padding:14px 18px;font-size:.875rem;line-height:1.6;
  border:1px solid;
}
.banner svg{width:20px;height:20px;flex:none}
.banner-warning{background:var(--warning-bg);border-color:rgba(245,158,11,.45);color:#6B4A00}
.banner-error{background:var(--error-bg);border-color:rgba(217,54,62,.4);color:#8A262C}
.banner-info{background:var(--info-bg);border-color:rgba(33,150,243,.35);color:#14508C}
html[data-theme="dark"] .banner-warning{background:rgba(245,158,11,.12);color:#F5B93C}
html[data-theme="dark"] .banner-error{background:rgba(217,54,62,.14);color:#F0767C}
html[data-theme="dark"] .banner-info{background:rgba(33,150,243,.12);color:#7DBCF7}
.banner .btn{margin-inline-start:auto}

/* ─── stepper (bidding + order detail) ─── */
.stepper{display:flex;align-items:flex-start;gap:0;margin:20px 0 4px}
.stepper .st{flex:1;display:flex;flex-direction:column;align-items:center;gap:8px;position:relative;text-align:center}
.stepper .st::before{
  content:"";position:absolute;top:21px;inset-inline-start:calc(-50% + 22px);width:calc(100% - 44px);height:2px;
  background:var(--border-strong);
}
.stepper .st:first-child::before{display:none}
.stepper .st.done::before,.stepper .st.current::before{background:var(--royal)}
html[data-theme="dark"] .stepper .st.done::before,html[data-theme="dark"] .stepper .st.current::before{background:var(--ai-blue)}
.st-dot{
  width:42px;height:42px;flex:none;position:relative;z-index:1;
  border-radius:50%; overflow:hidden;
  background:var(--bg-alt);border:none;color:var(--caption);
  display:flex;align-items:center;justify-content:center;
}
html[data-theme="dark"] .st-dot{background:var(--raised)}
.st-dot svg{width:20px;height:20px}
.st.done .st-dot{background:var(--royal);color:#FFFFFF}
.st.current .st-dot{background:var(--royal);color:#FFFFFF;box-shadow:0 0 0 4px rgba(4,70,136,.18)}
html[data-theme="dark"] .st.done .st-dot,html[data-theme="dark"] .st.current .st-dot{background:var(--ai-blue)}
.st-label{font-size:.8125rem;font-weight:600;color:var(--caption);line-height:1.4}
.st.done .st-label,.st.current .st-label{color:var(--heading)}
.st-sub{font-size:.6875rem;color:var(--caption);font-family:var(--font-mono);font-variant-numeric:tabular-nums;direction:ltr}
@media (max-width:640px){.st-label{font-size:.6875rem}.st-sub{display:none}}

/* ─── switch ─── */
.switch{position:relative;width:52px;height:44px;flex:none}
.switch input{position:absolute;opacity:0;inset:0;cursor:pointer;z-index:1;width:100%;height:100%}
.switch .track{position:absolute;inset-inline:0;top:7px;height:30px;border-radius:999px;background:var(--border-strong);transition:background .18s var(--ease)}
.switch .thumb{position:absolute;top:10px;inset-inline-start:3px;width:24px;height:24px;border-radius:50%;background:#FFFFFF;box-shadow:var(--shadow-flat);transition:transform .18s var(--ease)}
.switch input:checked~.track{background:var(--royal)}
html[data-theme="dark"] .switch input:checked~.track{background:var(--ai-blue)}
.switch input:checked~.thumb{transform:translateX(-22px)}
html[dir="ltr"] .switch input:checked~.thumb{transform:translateX(22px)}
.switch input:focus-visible~.track{outline:2px solid var(--focus-ring);outline-offset:2px}

/* ─── toasts ─── */
.toasts{
  position:fixed;bottom:20px;inset-inline:0;z-index:200;
  display:flex;flex-direction:column;align-items:center;gap:10px;pointer-events:none;
  padding:0 16px;
}
.toast{
  display:flex;align-items:center;gap:10px;max-width:min(480px,100%);
  background:var(--navy);color:#F3F5F7;border-radius:var(--radius-btn);
  box-shadow:var(--shadow-raised);padding:12px 18px;font-size:.875rem;font-weight:500;
  animation:toastIn .22s var(--ease);pointer-events:auto;
}
html[data-theme="dark"] .toast{background:var(--raised);border:1px solid var(--border)}
.toast svg{width:18px;height:18px;flex:none;color:#4ECB7F}
.toast.out{animation:toastOut .2s var(--ease) forwards}
@keyframes toastIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@keyframes toastOut{to{opacity:0;transform:translateY(8px)}}