/* Πύλη Πελατών — eshop διάταξη: προϊόντα στο κέντρο, μενού αριστερά, καλάθι πάνω δεξιά */
:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --text: #1b2430;
  --muted: #64707f;
  --border: #e1e5ea;
  --primary: #1f5eff;
  --primary-text: #ffffff;
  --ok: #157f3b;
  --ok-bg: #e6f4ea;
  --selected-bg: #eaf7ee;        /* προϊόν με ποσότητα */
  --selected-border: #8fd0a3;
  --warn: #9a5b00;
  --warn-bg: #fff4e0;
  --error: #b42318;
  --error-bg: #fde8e7;
  --toast-bg: #1b2430;
  --toast-fg: #ffffff;
  --overlay: rgba(16, 22, 32, .45);
  --radius: 10px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #11151c; --surface: #1a2029; --text: #e6e9ef; --muted: #98a2b3; --border: #2b3340;
    --primary: #5b8cff; --primary-text: #0b1020; --ok: #6fd08f; --ok-bg: #133022;
    --selected-bg: #14301f; --selected-border: #2f7a49;
    --warn: #f2b45c; --warn-bg: #33270f; --error: #ff8a80; --error-bg: #3a1a18;
    --toast-bg: #e6e9ef; --toast-fg: #11151c; --overlay: rgba(0, 0, 0, .6);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #11151c; --surface: #1a2029; --text: #e6e9ef; --muted: #98a2b3; --border: #2b3340;
  --primary: #5b8cff; --primary-text: #0b1020; --ok: #6fd08f; --ok-bg: #133022;
  --selected-bg: #14301f; --selected-border: #2f7a49;
  --warn: #f2b45c; --warn-bg: #33270f; --error: #ff8a80; --error-bg: #3a1a18;
  --toast-bg: #e6e9ef; --toast-fg: #11151c; --overlay: rgba(0, 0, 0, .6);
  color-scheme: dark;
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: var(--bg); color: var(--text); }
body::before {
  content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px);
  z-index: 10; background: var(--surface);
}
[hidden] { display: none !important; }
h1, h2 { margin: 0; text-wrap: balance; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1rem; margin: 1.5rem 0 .75rem; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.error { color: var(--error); margin: 0; }

/* ---------- Κουμπιά & πεδία ---------- */
.btn {
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  padding: .55rem 1rem; border-radius: 8px; cursor: pointer; font: inherit;
}
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--primary); color: var(--primary-text); border-color: var(--primary); font-weight: 600; }
.btn.ghost { background: transparent; }
.btn.small { padding: .3rem .6rem; font-size: .85rem; }
.btn.block { width: 100%; padding: .75rem 1rem; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.icon-btn {
  position: relative; display: inline-grid; place-items: center; width: 42px; height: 42px;
  border: 1px solid transparent; border-radius: 10px; background: transparent; color: var(--text); cursor: pointer;
}
.icon-btn:hover { background: var(--bg); }
.icon-btn svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.icon-btn.small { width: 36px; height: 36px; }
.icon-btn.small svg { width: 20px; height: 20px; }
.icon-btn[aria-pressed="true"] { background: var(--surface); border-color: var(--border); color: var(--primary); }
input, textarea {
  font: inherit; padding: .55rem .7rem; border: 1px solid var(--border);
  border-radius: 8px; background: var(--surface); color: var(--text);
}
textarea { resize: vertical; width: 100%; }
input:focus-visible, textarea:focus-visible, .btn:focus-visible, .icon-btn:focus-visible, button:focus-visible {
  outline: 2px solid var(--primary); outline-offset: 1px;
}
input.invalid { border-color: var(--error); }
.link { border: 0; background: none; padding: 0; color: var(--primary); font: inherit; cursor: pointer; text-decoration: underline; }

/* ---------- Κεντρικές οθόνες ---------- */
.center-view {
  display: grid; place-items: center; min-height: 100vh; padding-block: 16px;
  padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px));
}
.card.narrow {
  width: 100%; max-width: 420px; background: var(--surface); padding: 2rem;
  border-radius: var(--radius); border: 1px solid var(--border); display: grid; gap: 1rem;
}
.card.narrow p { margin: 0; }
.card.narrow label { display: grid; gap: .35rem; font-size: .9rem; }
.branch-list { display: grid; gap: .5rem; }
.branch-option {
  text-align: left; display: grid; gap: .15rem; padding: .75rem 1rem; border-radius: 8px;
  border: 1px solid var(--border); background: var(--surface); font: inherit; color: var(--text); cursor: pointer;
}
.branch-option:hover, .branch-option.current { border-color: var(--primary); }

/* ---------- Header ---------- */
.topbar {
  display: flex; align-items: center; gap: .5rem;
  padding-block: .5rem;
  padding-left: max(12px, env(safe-area-inset-left, 0px)); padding-right: max(12px, env(safe-area-inset-right, 0px));
  background: var(--surface); border-bottom: 1px solid var(--border);
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5;
}
.brand { display: grid; line-height: 1.25; flex: 1 1 auto; min-width: 0; }
.brand strong, .brand span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.badge {
  position: absolute; top: 2px; right: 0; min-width: 1.25rem; height: 1.25rem; padding: 0 .3rem;
  border-radius: 99px; background: var(--primary); color: var(--primary-text);
  font-size: .72rem; font-weight: 700; line-height: 1.25rem; text-align: center; font-variant-numeric: tabular-nums;
}
.cart-btn.bump .badge { animation: bump .3s ease; }
@keyframes bump { 50% { transform: scale(1.3); } }

/* ---------- Περιεχόμενο ---------- */
.content {
  max-width: 1180px; margin: 0 auto; padding-block: 1.25rem 3rem;
  padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px));
}
.view { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1rem; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; }
.view-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.view-toggle { display: flex; gap: .25rem; padding: 3px; border-radius: 12px; background: var(--border); }
.catalog-tabs { display: flex; gap: .25rem; padding: 3px; border-radius: 12px; background: var(--border); min-width: 0; }
.catalog-tabs button {
  font: inherit; font-weight: 500; color: var(--muted); background: transparent; border: 0;
  border-radius: 9px; padding: .45rem .9rem; cursor: pointer; white-space: nowrap;
}
.catalog-tabs button[aria-selected="true"] { background: var(--surface); color: var(--text); font-weight: 600; box-shadow: 0 1px 2px rgba(0, 0, 0, .08); }
.search { position: relative; display: flex; align-items: center; }
.search input { flex: 1; min-width: 0; padding: .7rem 2.75rem .7rem 2.5rem; font-size: 1rem; }
.search input::-webkit-search-cancel-button { display: none; }
.search-icon { position: absolute; left: .8rem; width: 18px; height: 18px; fill: none; stroke: var(--muted); stroke-width: 2; stroke-linecap: round; pointer-events: none; }
.search #search-clear { position: absolute; right: 4px; }
.search-hint { margin: -.5rem 0 0; }
.items-count { margin: -.25rem 0 0; min-height: 1.2em; }
.items-more { display: grid; place-items: center; padding: .5rem 0; }
.items.loading { opacity: .55; transition: opacity .15s; }

/* ---------- Προϊόντα: grid ---------- */
.items.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1rem; }
.item {
  border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface);
  transition: background-color .15s, border-color .15s;
}
.item.in-cart { background: var(--selected-bg); border-color: var(--selected-border); }
.items.grid .item { display: grid; grid-template-rows: auto 1fr; overflow: hidden; }
.item-photo { background: var(--bg); display: grid; place-items: center; overflow: hidden; }
.items.grid .item-photo { aspect-ratio: 4 / 3; max-width: 100%; }
.item-photo img { width: 100%; height: 100%; object-fit: contain; }
.no-photo { color: var(--muted); font-size: .78rem; text-align: center; padding: .25rem; }
.item-body { padding: .75rem; display: grid; gap: .3rem; align-content: start; min-width: 0; }
.item-code { font-size: .78rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.item-name { font-weight: 500; line-height: 1.3; }
.item-price { font-size: 1.05rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.item-meta { font-size: .76rem; color: var(--muted); }
.qty { display: flex; align-items: center; gap: .4rem; margin-top: .35rem; }
.qty input { width: 6.5rem; text-align: right; font-variant-numeric: tabular-nums; }
.item.in-cart .qty input { border-color: var(--selected-border); font-weight: 600; }
.qty .unit { font-size: .8rem; color: var(--muted); width: 1.4rem; flex: none; }

/* ---------- Προϊόντα: list ---------- */
/* Γραμμή: φωτογραφία | κωδικός/περιγραφή/πληροφορίες | τιμή | ποσότητα */
.items.list { display: grid; gap: .5rem; }
.items.list .item { display: grid; grid-template-columns: 64px minmax(0, 1fr); align-items: center; gap: .75rem; padding: .5rem .75rem; }
.items.list .item-photo { width: 64px; height: 64px; border-radius: 8px; }
.items.list .item-body {
  padding: 0; grid-template-columns: minmax(0, 1fr) auto auto; column-gap: 1.25rem; row-gap: .15rem; align-items: center;
}
.items.list .item-body > * { grid-column: 1; }
.items.list .item-price { grid-column: 2; grid-row: 1 / span 4; text-align: right; white-space: nowrap; }
.items.list .qty { grid-column: 3; grid-row: 1 / span 4; margin-top: 0; }
.items.list .qty input { width: 6.5rem; }
@media (max-width: 560px) {
  .items.list .item { grid-template-columns: 52px minmax(0, 1fr); align-items: start; }
  .items.list .item-photo { width: 52px; height: 52px; }
  .items.list .item-body { grid-template-columns: minmax(0, 1fr) auto; }
  .items.list .item-price { grid-column: 1; grid-row: auto; text-align: left; }
  .items.list .qty { grid-column: 2; grid-row: 1 / span 6; align-self: center; }
  .items.list .qty input { width: 4.75rem; }
}

/* Ζυγαριά για ζυγιζόμενα είδη */
.scale {
  display: inline-block; width: 1.05em; height: 1.05em; margin-right: .3em; vertical-align: -.15em;
  fill: none; stroke: var(--warn); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
}

/* ---------- Πίνακες ---------- */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: .92rem; }
table.data th, table.data td { padding: .6rem .5rem; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
table.data th { color: var(--muted); font-weight: 500; font-size: .82rem; }
table.data .num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
tr.sub td { background: var(--bg); }
tr.opening td { font-weight: 600; background: var(--bg); }
.empty { color: var(--muted); text-align: center; padding: 1.5rem; }
.thumb { width: 40px; height: 40px; object-fit: contain; border-radius: 6px; background: var(--bg); vertical-align: middle; }
.status { padding: .15rem .55rem; border-radius: 99px; font-size: .8rem; white-space: nowrap; }
.status.open { background: var(--warn-bg); color: var(--warn); }
.status.done { background: var(--ok-bg); color: var(--ok); }

.filters { display: flex; flex-wrap: wrap; gap: .75rem; align-items: end; }
.filters label { display: grid; gap: .25rem; font-size: .85rem; color: var(--muted); }
.summary { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; }
.summary div { display: grid; }
.summary span { font-size: .8rem; color: var(--muted); }
.summary strong { font-size: 1.05rem; font-variant-numeric: tabular-nums; }
.summary .balance strong { font-size: 1.25rem; }
.details { display: grid; grid-template-columns: max-content 1fr; gap: .5rem 1.5rem; margin: 0; }
.details dt { color: var(--muted); }
.details dd { margin: 0; }

/* ---------- Drawers (μενού / καλάθι) ---------- */
.drawer { position: fixed; inset: 0; z-index: 30; }
.drawer-backdrop { position: absolute; inset: 0; background: var(--overlay); }
.drawer-panel {
  position: absolute; top: 0; bottom: 0; width: min(420px, 100%);
  background: var(--surface); display: flex; flex-direction: column;
  padding-top: env(safe-area-inset-top, 0px); padding-bottom: env(safe-area-inset-bottom, 0px);
  box-shadow: 0 0 40px rgba(0, 0, 0, .18);
}
.drawer.left .drawer-panel { left: 0; width: min(320px, 88%); padding-left: env(safe-area-inset-left, 0px); animation: in-left .2s ease; }
.drawer.right .drawer-panel { right: 0; padding-right: env(safe-area-inset-right, 0px); animation: in-right .2s ease; }
@keyframes in-left { from { transform: translateX(-100%); } }
@keyframes in-right { from { transform: translateX(100%); } }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: .75rem; padding: .75rem 1rem; border-bottom: 1px solid var(--border); }
.drawer-who { display: grid; min-width: 0; }
.drawer-body { flex: 1; overflow-y: auto; padding: 1rem; display: grid; gap: 1rem; align-content: start; }
.drawer-foot { border-top: 1px solid var(--border); padding: 1rem; display: grid; gap: .6rem; }
.drawer-foot p { margin: 0; }
.menu-list { list-style: none; margin: 0; padding: .5rem; display: grid; gap: .15rem; }
.menu-list button {
  width: 100%; text-align: left; font: inherit; color: var(--text); background: transparent;
  border: 0; border-radius: 8px; padding: .75rem .85rem; cursor: pointer;
}
.menu-list button:hover { background: var(--bg); }
.menu-list button[aria-current="page"] { background: var(--bg); font-weight: 600; color: var(--primary); }
.logout { margin: auto 1rem 1rem; }

/* Γραμμές καλαθιού */
.cart-lines { display: grid; gap: .5rem; }
.cart-line {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: .35rem .75rem;
  padding: .65rem .75rem; border: 1px solid var(--border); border-radius: 8px;
}
.cart-line .name { font-weight: 500; line-height: 1.3; }
.cart-line .value { font-weight: 600; text-align: right; font-variant-numeric: tabular-nums; }
.cart-line .meta { font-size: .78rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.cart-line .qty { margin-top: 0; }
.cart-line .remove { justify-self: end; }
.cart-empty { color: var(--muted); text-align: center; padding: 2rem 0; }
.comments { display: grid; gap: .35rem; font-size: .9rem; font-weight: 500; }
.comments .small { justify-self: end; font-weight: 400; }
.totals { display: grid; gap: .2rem; text-align: right; font-variant-numeric: tabular-nums; }
.totals strong { font-size: 1.15rem; }

.message { padding: .75rem 1rem; border-radius: 8px; background: var(--bg); margin: 0; }
.message.ok { background: var(--ok-bg); color: var(--ok); }
.message.err { background: var(--error-bg); color: var(--error); }

/* Επιβεβαίωση μέσα στη σελίδα */
.dialog-backdrop {
  position: fixed; inset: 0; z-index: 40; background: var(--overlay); display: grid; place-items: center;
  padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px));
}
.dialog {
  width: 100%; max-width: 400px; background: var(--surface); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; display: grid; gap: 1rem;
}
.dialog p { margin: 0; line-height: 1.45; }
.dialog .actions { display: flex; gap: .5rem; justify-content: flex-end; }

.toast {
  position: fixed; left: 50%; transform: translateX(-50%); z-index: 50;
  bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  background: var(--toast-bg); color: var(--toast-fg); padding: .6rem 1rem; border-radius: 8px; font-size: .9rem;
}

@media (max-width: 640px) {
  .hide-sm { display: none; }
  .view-head { gap: .5rem; }
  .catalog-tabs { flex: 1 1 240px; }
  .catalog-tabs button { flex: 1; min-width: 0; padding: .45rem .4rem; font-size: .86rem; overflow: hidden; text-overflow: ellipsis; }
  .view-toggle { margin-left: auto; }
  .details { grid-template-columns: 1fr; gap: .1rem; }
  .details dd { margin-bottom: .6rem; }
  .panel { padding: 1rem; }
  .items.grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .6rem; }
  .items.grid .item-body { padding: .6rem; }
  .qty input { width: 100%; min-width: 0; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }