/* ==========================================================
   Σκούρο ρετρό θέμα
   Τα χρώματα αλλάζουν εύκολα από τις μεταβλητές παρακάτω.
   ========================================================== */
:root {
  --text: #ffffff;
  --dim: #9a9a9a;
  --hilight: #ccff00;      /* το λαχανί χρώμα έμφασης */
  --box: #000000;
  --line: #ffffff;
  --grid: #3a3a3a;         /* γραμμές του πίνακα */
  --danger: #ff5c7a;
  --font-pixel: "Tiny5", "Ubuntu Mono", monospace;
  --font-mono: "Ubuntu Mono", ui-monospace, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { scrollbar-width: thin; scrollbar-color: var(--hilight) #000; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.35;
  background-color: #000;
  /* έναστρος ουρανός φτιαγμένος μόνο με CSS */
  background-image:
    radial-gradient(1px 1px at 20px 30px, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 140px 80px, #ddd 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 90px 160px, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 200px 210px, #bbb 50%, transparent 51%),
    radial-gradient(1px 1px at 60px 240px, #fff 50%, transparent 51%),
    radial-gradient(2px 2px at 230px 40px, var(--hilight) 40%, transparent 51%),
    radial-gradient(1px 1px at 170px 140px, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 10px 120px, #999 50%, transparent 51%);
  background-size: 260px 260px;
  animation: drift 120s linear infinite;
}

@keyframes drift { to { background-position: 260px 520px; } }

/* εφέ παλιάς οθόνης (CRT) */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  background: repeating-linear-gradient(
    to bottom, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 3px
  );
  animation: flicker 6s infinite steps(1);
}
@keyframes flicker { 0%, 100% { opacity: 1; } 47% { opacity: .85; } 48% { opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
  body, body::after { animation: none; }
}

a { color: var(--hilight); text-decoration: none; }
a:hover { text-decoration: underline dashed; }

hr { border: 0; border-top: 2px dashed var(--line); margin: 14px 0; }

::selection { background: var(--hilight); color: #000; }

:focus-visible { outline: 2px dashed var(--hilight); outline-offset: 2px; }

/* ---------- κεφαλίδα ---------- */
.header {
  max-width: 1200px;
  margin: 24px auto 14px;
  padding: 0 16px;
  text-align: center;
}
.header h1 {
  font-family: var(--font-pixel);
  font-weight: 400;
  font-size: clamp(36px, 7vw, 68px);
  line-height: 1;
  margin: 0;
  letter-spacing: 2px;
  text-shadow: 3px 3px 0 #333;
}
.header h1 a { color: var(--text); text-decoration: none; }
.header h1 a:hover { color: var(--hilight); }
.header .tagline { margin: 8px 0 0; color: var(--dim); }

/* ---------- διάταξη ---------- */
.layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.sidebar {
  width: 200px;
  flex: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: sticky;
  top: 14px;
}
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 14px; }

/* ---------- κουτιά ---------- */
.box {
  background: var(--box);
  border: 1px solid var(--line);
  padding: 12px 14px;
}
.box-title {
  font-family: var(--font-pixel);
  font-size: 22px;
  margin: 0 0 10px;
  padding-bottom: 6px;
  border-bottom: 2px dashed var(--line);
  color: var(--hilight);
  font-weight: 400;
}
.box h2 { font-family: var(--font-pixel); font-weight: 400; font-size: 30px; margin: 0 0 8px; }
.box h3 { font-family: var(--font-pixel); font-weight: 400; font-size: 22px; margin: 16px 0 6px; color: var(--hilight); }
.box p { margin: 0 0 10px; }
.box ul { margin: 0 0 10px; padding-left: 0; list-style: none; }
.box ul li::before { content: "✿ "; color: var(--hilight); }

/* ---------- πλοήγηση ---------- */
.nav ul { list-style: none; margin: 0; padding: 0; }
.nav li { margin: 4px 0; }
.nav a, .nav button {
  font-family: var(--font-pixel);
  font-size: 20px;
  color: var(--text);
  background: none;
  border: 0;
  padding: 2px 0;
  cursor: pointer;
  text-align: left;
}
.nav a::before, .nav button::before { content: "✿ "; color: var(--dim); }
.nav a:hover, .nav button:hover { color: var(--hilight); text-decoration: none; }
.nav a:hover::before, .nav button:hover::before { content: "» "; color: var(--hilight); }
.nav a[aria-current="page"] { color: var(--hilight); }
.nav a[aria-current="page"]::before { content: "» "; color: var(--hilight); }

.status-line { margin: 0; color: var(--dim); }
.status-line strong { color: var(--hilight); font-weight: 400; }
.clock { font-family: var(--font-pixel); font-size: 26px; color: var(--hilight); }
.clock-date { color: var(--dim); }

/* ---------- υποσέλιδο ---------- */
.footer {
  max-width: 1200px;
  margin: 20px auto 30px;
  padding: 0 16px;
  text-align: center;
  color: var(--dim);
}

/* ---------- κουμπιά & φόρμες ---------- */
.btn {
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--text);
  background: #000;
  border: 1px solid var(--line);
  padding: 5px 12px;
  cursor: pointer;
}
.btn:hover { border-color: var(--hilight); color: var(--hilight); }
.btn-primary { background: var(--hilight); color: #000; border-color: var(--hilight); }
.btn-primary:hover { background: #000; }
.btn[disabled] { opacity: .5; cursor: wait; }

.field {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--text);
  background: #000;
  border: 1px solid var(--line);
  padding: 6px 10px;
}
.field:focus { outline: none; border-color: var(--hilight); }

.msg { min-height: 1.4em; margin: 8px 0 0; }
.msg.error { color: var(--danger); }
.msg.ok { color: var(--hilight); }

/* ---------- σελίδα κασετών ---------- */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 12px;
}
.toolbar .field { flex: 1 1 220px; min-width: 0; }
.only-admin { display: none !important; }
body.is-admin .only-admin { display: inline-block !important; }

.sheet-wrap {
  overflow-x: auto;
  border: 1px solid var(--grid);
}
table.sheet {
  border-collapse: collapse;
  width: 100%;
  min-width: 900px;
  font-size: 17px;
}
.sheet th, .sheet td {
  border: 1px solid var(--grid);
  padding: 4px 8px;
  vertical-align: middle;
  text-align: left;
}
.sheet thead th {
  position: sticky;
  top: 0;
  background: #111;
  font-weight: 400;
  color: var(--hilight);
  white-space: nowrap;
  user-select: none;
}
.sheet thead th[data-sort] { cursor: pointer; }
.sheet thead th[data-sort]:hover { background: #1c1c1c; }
.sheet thead th .arrow { color: var(--text); font-size: 13px; }
.sheet tbody tr:hover td { background: #0d0d0d; }
.sheet .rownum {
  width: 1%;
  text-align: right;
  color: var(--dim);
  background: #111;
  font-size: 15px;
}
.sheet .c-cover { width: 64px; text-align: center; }
.sheet .c-price { white-space: nowrap; }
.sheet .c-reg { width: 1%; text-align: center; }
.sheet .c-notes { min-width: 180px; }
.sheet .c-actions { width: 1%; white-space: nowrap; }
.sheet .reg-yes { color: var(--hilight); font-size: 20px; }
.sheet .reg-no { color: var(--grid); }
.sheet .empty { text-align: center; color: var(--dim); padding: 30px; }
.sheet tfoot td { background: #111; color: var(--dim); }

.thumb {
  display: block;
  width: 48px;
  height: 48px;
  object-fit: cover;
  border: 1px solid var(--grid);
  margin: 0 auto;
  cursor: zoom-in;
  background: #111;
}
.no-cover {
  display: block;
  width: 48px;
  height: 30px;
  margin: 0 auto;
  border: 1px dashed var(--grid);
  border-radius: 3px;
  position: relative;
}
.no-cover::before, .no-cover::after {
  content: "";
  position: absolute;
  top: 9px;
  width: 10px;
  height: 10px;
  border: 1px solid var(--grid);
  border-radius: 50%;
}
.no-cover::before { left: 9px; }
.no-cover::after { right: 9px; }

/* πεδία επεξεργασίας μέσα στον πίνακα — σαν φύλλο excel */
.cell-input {
  width: 100%;
  min-width: 90px;
  font: inherit;
  color: var(--text);
  background: transparent;
  border: 1px solid transparent;
  padding: 3px 4px;
  transition: border-color .3s, background-color .3s;
}
textarea.cell-input { resize: vertical; min-height: 30px; display: block; }
.cell-input:hover { border-color: var(--grid); }
.cell-input:focus { outline: none; border-color: var(--hilight); background: #0a0a0a; }
.cell-input.saving { border-color: var(--dim); }
.cell-input.saved { border-color: var(--hilight); background: rgba(204, 255, 0, .08); }
.cell-input.failed { border-color: var(--danger); }
input[type="checkbox"].cell-check { width: 18px; height: 18px; accent-color: var(--hilight); cursor: pointer; }

.icon-btn {
  font-size: 16px;
  background: none;
  border: 1px solid transparent;
  color: var(--text);
  cursor: pointer;
  padding: 2px 4px;
}
.icon-btn:hover { border-color: var(--hilight); }
.icon-btn.danger:hover { border-color: var(--danger); }
.cover-tools { display: flex; justify-content: center; gap: 2px; margin-top: 3px; }

.save-status { color: var(--dim); font-size: 16px; margin-left: auto; }
.save-status.ok { color: var(--hilight); }
.save-status.error { color: var(--danger); }

/* μεγάλη προβολή εξωφύλλου */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, .9);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  cursor: zoom-out;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 100%; max-height: 90vh; border: 1px solid var(--line); }

/* σελίδα σύνδεσης */
.login-form { display: flex; flex-direction: column; gap: 10px; max-width: 360px; }

/* ---------- κινητά ---------- */
@media (max-width: 760px) {
  body { font-size: 17px; }
  .layout { flex-direction: column; align-items: stretch; }
  .sidebar { width: auto; position: static; }
  .sidebar .box:not(.nav) { display: none; }
  .nav ul { display: flex; flex-wrap: wrap; gap: 4px 16px; }
  .header { margin-top: 16px; }
}

/* ---------- διορθώσεις ---------- */
.nav li::before { content: none !important; }
.nav button { line-height: inherit; margin: 0; }
.sheet .c-reg, .sheet .reg-yes { font-family: Arial, "Helvetica Neue", sans-serif; font-size: 18px; }
body.is-admin table.sheet { min-width: 1150px; }
body.is-admin .sheet [data-field="title"],
body.is-admin .sheet [data-field="artist"],
body.is-admin .sheet [data-field="location"] { min-width: 150px; }
body.is-admin .sheet [data-field="notes"] { min-width: 220px; }
body.is-admin .sheet [data-field="date"] { min-width: 110px; }