/* Πλατφόρμα εγγραφών Π.Φ.Σ.Β. — εμφάνιση εμπνευσμένη από το pfsb.gr
   Υποστηρίζει φωτεινό & σκοτεινό θέμα μέσω [data-theme] στο <html>. */

:root, :root[data-theme="light"] {
  --bg: #eef1f4;
  --card: #ffffff;
  --surface-2: #f1f3f6;     /* διακριτικά hover backgrounds */
  --surface-3: #f4f5f8;     /* κεφαλίδες πινάκων */
  --row-hover: #fafbfd;
  --input-bg: #ffffff;
  --choice-bg: #ffffff;
  --choice-bg-active: #faf9fd;
  --upload-bg: #fafbfc;
  --ink: #1e2126;
  --muted: #7a8088;
  --accent: #c96f8f;        /* ροζ τίτλων/συνδέσμων */
  --accent-2: #6b5fb5;      /* μωβ λογότυπου */
  --pill: #2b2e33;          /* σκούρα pill κουμπιά */
  --line: #e4e7eb;
  --ok: #2e7d32;
  --warn: #b8860b;
  --err: #c62828;
  --tag-bg: #f4eef8;
  --tag-ok-bg: #e8f5e9;
  --tag-warn-bg: #fdf6e3;
  --tag-err-bg: #fdecea;
  --flash-err-bg: #fdecea;  --flash-err-border: #f6c6c1;
  --flash-ok-bg: #e8f5e9;   --flash-ok-border: #bfe3c2;
  --bank-bg: #fdf3f6;       --bank-border: #f3d4de;
  --bank-chip-bg: #ffffff;  --bank-chip-border: #d9a4b8;
  --contact-fill: #ffffff;
  --chart-track: #eceef2;
  --shadow: rgba(30,33,38,.06);
  --focus-ring: rgba(107,95,181,.16);
  --radius: 14px;
}

:root[data-theme="dark"] {
  --bg: #14161a;
  --card: #1e2127;
  --surface-2: #262a31;
  --surface-3: #2a2f37;
  --row-hover: #23272e;
  --input-bg: #171a1f;
  --choice-bg: #1b1e24;
  --choice-bg-active: #24212f;
  --upload-bg: #1b1e24;
  --ink: #e7e9ec;
  --muted: #9aa1ab;
  --accent: #e08aa6;
  --accent-2: #9c8ff0;
  --pill: #343a44;
  --line: #333944;
  --ok: #6cc46f;
  --warn: #e0b64a;
  --err: #ef6b6b;
  --tag-bg: #2b2536;
  --tag-ok-bg: #17301a;
  --tag-warn-bg: #33290f;
  --tag-err-bg: #3a1f1f;
  --flash-err-bg: #3a1f1f;  --flash-err-border: #5c2f2f;
  --flash-ok-bg: #17301a;   --flash-ok-border: #2c4a2f;
  --bank-bg: #241b20;       --bank-border: #4a2f3a;
  --bank-chip-bg: #171a1f;  --bank-chip-border: #5a3a48;
  --contact-fill: #1e2127;
  --chart-track: #2a2f37;
  --shadow: rgba(0,0,0,.4);
  --focus-ring: rgba(156,143,240,.28);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.65 "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  transition: background .2s ease, color .2s ease;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.3; }

.wrap { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* ---------- Κεφαλίδα ---------- */
.site-header {
  background: var(--card); border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: 0 2px 14px var(--shadow);
  position: sticky; top: 0; z-index: 50;
}
.site-header .bar {
  display: flex; align-items: center; gap: 20px; padding: 14px 24px;
  max-width: 1240px; margin: 0 auto;
}
.logo { display: flex; align-items: center; gap: 12px; font-weight: 800; }
.logo .mark { font-size: 26px; color: var(--accent-2); letter-spacing: 1px; }
.logo .logo-img { height: 46px; width: auto; display: block; }
:root[data-theme="dark"] .logo .logo-img {
  /* ελαφρύ φόντο ώστε το μωβ λογότυπο να ξεχωρίζει στο σκούρο θέμα */
  background: rgba(255,255,255,.92); border-radius: 8px; padding: 4px 7px;
}
.logo .sub { font-size: 11px; color: var(--muted); font-weight: 500; max-width: 190px; line-height: 1.25; }
@media (max-width: 640px) { .logo .sub { display: none; } .logo .logo-img { height: 40px; } }
nav.main { display: flex; gap: 6px; flex-wrap: wrap; margin-left: auto; }
nav.main a {
  color: var(--ink); font-weight: 600; font-size: 13.5px; letter-spacing: .4px;
  padding: 8px 16px; border-radius: 999px; text-transform: uppercase;
}
nav.main a:hover { background: var(--surface-2); text-decoration: none; }
nav.main a.active { background: var(--pill); color: #fff; }

/* Κουμπί εναλλαγής θέματος */
.theme-toggle {
  width: 40px; height: 40px; flex-shrink: 0; border-radius: 999px; cursor: pointer;
  border: 1.5px solid var(--line); background: var(--card); color: var(--muted);
  display: inline-flex; align-items: center; justify-content: center; padding: 0;
  transition: border-color .15s, background .15s, color .15s;
}
.theme-toggle:hover { border-color: var(--accent-2); color: var(--accent-2); background: var(--surface-2); }
.theme-toggle svg { width: 19px; height: 19px; display: block; }
/* Το εικονίδιο δείχνει την ΕΠΙΛΟΓΗ (auto/light/dark), όχι το ενεργό θέμα. */
.theme-toggle svg { display: none; }
.theme-toggle .icon-auto { display: block; }               /* προεπιλογή: αυτόματο */
.theme-toggle[data-mode="auto"] .icon-auto { display: block; }
.theme-toggle[data-mode="light"] .icon-auto { display: none; }
.theme-toggle[data-mode="light"] .icon-sun { display: block; }
.theme-toggle[data-mode="dark"] .icon-auto { display: none; }
.theme-toggle[data-mode="dark"] .icon-moon { display: block; }

.btn-contact {
  border: 1.5px solid transparent; border-radius: 999px; padding: 9px 26px;
  font-weight: 600; color: var(--ink); flex-shrink: 0;
  background: linear-gradient(var(--contact-fill), var(--contact-fill)) padding-box,
              linear-gradient(120deg,#8ec5e8,#c96f8f) border-box;
}
.btn-contact:hover { text-decoration: none; opacity: .85; }

/* ---------- Κουμπιά ---------- */
.btn {
  display: inline-block; border: 0; cursor: pointer; border-radius: 999px;
  padding: 11px 26px; font-weight: 600; font-size: 14px;
  background: var(--pill); color: #fff; transition: opacity .15s;
}
.btn:hover { opacity: .88; text-decoration: none; }
.btn.secondary { background: var(--card); color: var(--ink); border: 1.5px solid var(--line); }
.btn.accent { background: var(--accent); }
.btn.small { padding: 7px 16px; font-size: 13px; }
.btn.danger { background: var(--err); }

/* ---------- Κάρτες ---------- */
.page { padding: 34px 0 60px; }
.card {
  background: var(--card); border-radius: var(--radius); padding: 28px 32px;
  box-shadow: 0 2px 14px var(--shadow); margin-bottom: 24px;
}
/* Ανενεργά προϊόντα στην αρχική — θαμπά, μη διαθέσιμα («Αναμένεται σύντομα») */
.coming-soon { opacity: .5; filter: grayscale(.35); }
.ws-card.coming-soon { cursor: default; }
.ws-card.coming-soon:hover { transform: none; box-shadow: none; }

.grid { display: grid; gap: 22px; }
.grid.cols-2 { grid-template-columns: 1fr 1fr; }
@media (max-width: 800px) { .grid.cols-2 { grid-template-columns: 1fr; } }

.price { font-size: 22px; font-weight: 700; }
/* «Παλαιά» διαγραμμένη τιμή — ισχύει παντού (τιμές, απόδειξη, πίνακες) */
.old { color: var(--muted); text-decoration: line-through; font-weight: 600; margin-left: 8px; opacity: .85; }
.price .old { font-size: 16px; }
.tag {
  display: inline-block; padding: 3px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 600; background: var(--tag-bg); color: var(--accent-2);
}
.tag.ok { background: var(--tag-ok-bg); color: var(--ok); }
.tag.warn { background: var(--tag-warn-bg); color: var(--warn); }
.tag.err { background: var(--tag-err-bg); color: var(--err); }
.muted { color: var(--muted); }
.small { font-size: 13px; }

/* ---------- Workshops: μοντέρνες κάρτες (αρχική) ---------- */
.ws-head { display: flex; align-items: center; gap: 12px; margin-bottom: 4px; }
.ws-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 18px; margin: 18px 0 22px;
}
.ws-card {
  display: flex; flex-direction: column; gap: 7px; text-decoration: none;
  color: var(--ink); background: var(--card); border: 1.5px solid var(--line);
  border-radius: 15px; padding: 20px 22px 18px; position: relative; overflow: hidden;
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}
.ws-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: linear-gradient(180deg, var(--accent-2), var(--accent)); opacity: .9;
}
.ws-card:hover {
  transform: translateY(-3px); box-shadow: 0 12px 28px var(--shadow);
  border-color: var(--accent-2); text-decoration: none;
}
.ws-card-top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 8px; flex-wrap: wrap;
}
.ws-when {
  font-size: 12px; font-weight: 600; color: var(--accent-2);
  background: var(--tag-bg); padding: 4px 11px; border-radius: 999px;
}
.ws-title { margin: 4px 0 0; font-size: 17px; line-height: 1.32; }
.ws-speaker { font-size: 13px; color: var(--muted); font-style: italic; }
.ws-excerpt { font-size: 13.5px; color: var(--muted); margin: 3px 0 8px; line-height: 1.55; }
.ws-more { margin-top: auto; font-size: 13.5px; font-weight: 700; color: var(--accent); }
.ws-card:hover .ws-more { text-decoration: underline; }

/* ---------- Πλούσιο κείμενο (Markdown/HTML περιγραφές) ---------- */
.rich-text { line-height: 1.65; }
.rich-text > :first-child { margin-top: 0; }
.rich-text p { margin: 0 0 12px; }
.rich-text h1, .rich-text h2, .rich-text h3, .rich-text h4 { margin: 18px 0 8px; line-height: 1.3; }
.rich-text ul, .rich-text ol { margin: 0 0 12px; padding-left: 22px; }
.rich-text li { margin: 4px 0; }
.rich-text a { color: var(--accent); }
.rich-text img { max-width: 100%; height: auto; border-radius: 8px; }
.rich-text table { border-collapse: collapse; width: 100%; margin: 12px 0; overflow-x: auto; display: block; }
.rich-text th, .rich-text td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; }
.rich-text th { background: var(--surface-3); }
.rich-text code { background: var(--surface-3); padding: 2px 6px; border-radius: 5px; font-size: 13px; font-family: Consolas, Monaco, monospace; }
.rich-text pre { background: var(--surface-3); padding: 14px 16px; border-radius: 10px; overflow-x: auto; }
.rich-text pre code { background: none; padding: 0; }
.rich-text blockquote { margin: 12px 0; padding: 6px 16px; border-left: 3px solid var(--accent-2); color: var(--muted); }

/* Λίστα «Διαβάστε περισσότερα» όπως στο pfsb.gr */
.readmore-list { list-style: none; padding: 0; margin: 0; }
.readmore-list li { display: flex; align-items: center; gap: 18px; margin: 14px 0; }
.readmore-list .pill-link {
  flex-shrink: 0; background: var(--pill); color: #fff; border-radius: 999px;
  padding: 10px 22px; font-size: 13px; text-align: center; line-height: 1.35;
}
.readmore-list .pill-link:hover { text-decoration: none; opacity: .88; }
.readmore-list .title a { color: var(--accent); font-size: 16.5px; font-weight: 500; }

/* ---------- Φόρμες ---------- */
label.field { display: block; margin: 14px 0 4px; font-weight: 600; font-size: 14px; }
label.field .req { color: var(--err); }
input[type=text], input[type=email], input[type=tel], input[type=password],
input[type=number], input[type=date], select, textarea {
  width: 100%; padding: 10px 14px; border: 1.5px solid var(--line);
  border-radius: 10px; font: inherit; background: var(--input-bg); color: var(--ink);
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent-2);
  box-shadow: 0 0 0 3px var(--focus-ring);
}
.choice {
  display: flex; gap: 14px; align-items: flex-start; padding: 16px 18px;
  border: 1.5px solid var(--line); border-radius: 12px; margin: 10px 0;
  background: var(--choice-bg); transition: border-color .15s, background .15s, opacity .15s;
}
.choice:has(input:checked) { border-color: var(--accent-2); background: var(--choice-bg-active); }
.choice:has(input:disabled) { opacity: .5; }
.choice input { margin-top: 5px; transform: scale(1.25); accent-color: var(--accent-2); }
.choice .body { flex: 1; }
.choice .head { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.choice .title { font-weight: 700; }

.upload-box {
  border: 2px dashed var(--line); border-radius: 12px; background: var(--upload-bg);
  padding: 26px; text-align: center; color: var(--muted);
}

/* ---------- Ειδοποιήσεις ---------- */
.flash { padding: 13px 18px; border-radius: 10px; margin: 0 0 14px; font-size: 14px; }
.flash.error { background: var(--flash-err-bg); color: var(--err); border: 1px solid var(--flash-err-border); }
.flash.ok { background: var(--flash-ok-bg); color: var(--ok); border: 1px solid var(--flash-ok-border); }

/* Πλαίσιο τραπεζικών στοιχείων */
.bank-box {
  background: var(--bank-bg); border: 1px solid var(--bank-border); border-radius: 12px;
  padding: 18px 22px; margin: 16px 0;
}
.bank-box .reason {
  font-family: Consolas, Monaco, monospace; background: var(--bank-chip-bg);
  border: 1px dashed var(--bank-chip-border); border-radius: 8px; padding: 4px 10px;
  display: inline-block; margin-top: 4px; font-size: 15px;
}

/* Τραπεζικοί λογαριασμοί — accordion (πολλαπλών επιλογών) */
.bank-accordion { margin: 16px 0; display: flex; flex-direction: column; gap: 10px; }
.bank-acc {
  background: var(--bank-bg); border: 1px solid var(--bank-border);
  border-radius: 12px; overflow: hidden;
}
.bank-acc summary {
  list-style: none; cursor: pointer; padding: 14px 20px; user-select: none;
  display: flex; align-items: center; gap: 12px; font-weight: 700; flex-wrap: wrap;
}
.bank-acc summary::-webkit-details-marker { display: none; }
.bank-acc summary .bank-acc-iban {
  font-weight: 400; font-family: Consolas, Monaco, monospace; font-size: 12.5px;
}
.bank-acc summary .chev {
  width: 18px; height: 18px; margin-left: auto; flex-shrink: 0;
  transition: transform .18s ease; color: var(--muted);
}
.bank-acc[open] summary .chev { transform: rotate(180deg); }
.bank-acc[open] summary { border-bottom: 1px solid var(--bank-border); }
.bank-acc-body { padding: 6px 20px 18px; font-size: 14px; }
.bank-acc-body > div { margin: 5px 0; }

/* Τιμή με κουμπί αντιγραφής (IBAN, BIC, αιτιολογία) */
.copyfield { display: inline-flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.copyfield code { font-family: Consolas, Monaco, monospace; font-size: 14px; }
.copy-btn {
  border: 1.5px solid var(--bank-chip-border); background: var(--bank-chip-bg);
  color: var(--muted); border-radius: 8px; width: 30px; height: 30px; padding: 0;
  display: inline-flex; align-items: center; justify-content: center; cursor: pointer;
  flex-shrink: 0; transition: border-color .15s, color .15s, background .15s;
}
.copy-btn:hover { border-color: var(--accent-2); color: var(--accent-2); }
.copy-btn svg { width: 15px; height: 15px; }
.copy-btn .icon-check { display: none; }
.copy-btn.copied { border-color: var(--ok); color: var(--ok); }
.copy-btn.copied .icon-copy { display: none; }
.copy-btn.copied .icon-check { display: inline-flex; }

/* ---------- Πίνακες (admin) ---------- */
.tablewrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data th {
  text-align: left; padding: 10px 12px; background: var(--surface-3);
  border-bottom: 2px solid var(--line); white-space: nowrap;
}
table.data td { padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.data tr:hover td { background: var(--row-hover); }

/* ---------- Admin layout ---------- */
.admin-nav { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 22px; align-items: center; }
.admin-nav a {
  padding: 8px 18px; border-radius: 999px; font-weight: 600; font-size: 13.5px;
  background: var(--card); color: var(--ink); border: 1.5px solid var(--line);
}
.admin-nav a.active, .admin-nav a:hover { background: var(--pill); color: #fff; text-decoration: none; border-color: var(--pill); }
.admin-nav .spacer { margin-left: auto; }
.admin-nav .icon-link, .admin-nav .icon-btn {
  width: 38px; height: 38px; padding: 0; display: inline-flex; align-items: center;
  justify-content: center; border-radius: 999px; cursor: pointer;
  border: 1.5px solid var(--line); background: var(--card); color: var(--muted);
  transition: border-color .15s, color .15s, background .15s;
}
.admin-nav .icon-link:hover, .admin-nav .icon-btn:hover {
  border-color: var(--accent-2); color: var(--accent-2); background: var(--surface-2);
}
.admin-nav .icon-link.active { background: var(--pill); border-color: var(--pill); color: #fff; }
.admin-nav .icon-link svg, .admin-nav .icon-btn svg { width: 18px; height: 18px; }

.avatar {
  width: 56px; height: 56px; border-radius: 999px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
}
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 16px; }
.stat { background: var(--card); border-radius: 12px; padding: 18px 20px; box-shadow: 0 2px 10px var(--shadow); }
.stat .num { font-size: 28px; font-weight: 800; }
.stat .lbl { color: var(--muted); font-size: 13px; }

/* ---------- Γραφήματα (Επισκόπηση) ---------- */
.chart { margin: 0 0 4px; }
.chart-title { margin: 0 0 10px; font-size: 14.5px; font-weight: 700; }
.bars { display: flex; flex-direction: column; gap: 9px; }
.barrow {
  display: grid; grid-template-columns: minmax(80px, 34%) 1fr auto;
  align-items: center; gap: 12px;
}
.barlabel {
  font-size: 13px; color: var(--ink); overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap;
}
.bartrack {
  background: var(--chart-track); border-radius: 999px; height: 20px; overflow: hidden;
}
.barfill {
  height: 100%; border-radius: 999px; min-width: 3px;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  transition: width .5s ease;
}
.barfill.alt { background: linear-gradient(90deg, #4f9bd6, var(--accent-2)); }
.barval { font-size: 12.5px; color: var(--muted); white-space: nowrap; font-variant-numeric: tabular-nums; }
.chart-empty { color: var(--muted); font-size: 13px; padding: 6px 0; }

.stackbar {
  display: flex; height: 22px; border-radius: 999px; overflow: hidden;
  border: 1px solid var(--line); background: var(--chart-track);
}
.stackbar span { display: block; height: 100%; transition: width .5s ease; }
.stackbar .s-paid { background: var(--ok); }
.stackbar .s-pending { background: var(--warn); }
.stackbar .s-cancelled { background: var(--err); }
.legend { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 10px; font-size: 13px; color: var(--muted); }
.legend .dot { display: inline-block; width: 11px; height: 11px; border-radius: 3px; margin-right: 6px; vertical-align: middle; }

@media (max-width: 560px) {
  .barrow { grid-template-columns: minmax(70px, 40%) 1fr auto; gap: 8px; }
  .barlabel { font-size: 12px; }
}

.site-footer { text-align: center; color: var(--muted); font-size: 13px; padding: 26px 0 40px; }
.inline-form { display: inline; }
