/* ═══════════════════════════════════════════════════════════════
   theme.css — Household Manager
   Dark / Light + κατηγορίες με χρωματικές μεταβλητές
   ═══════════════════════════════════════════════════════════════ */

/* ── DARK MODE ────────────────────────────────────────────────── */
:root,
[data-theme="dark"] {
  --bg:          #111318;
  --surface:     #191c24;
  --surface2:    #1f2230;
  --surface3:    #262a3a;
  --border:      rgba(255,255,255,0.07);
  --border-soft: rgba(255,255,255,0.04);
  --text:        #e8eaf4;
  --text-soft:   #b8bccc;
  --muted:       #6b7090;
  --shadow:      rgba(0,0,0,0.45);

  /* Βασικές ακρόχρωμα */
  --green:       #00d98b;
  --green-dim:   rgba(0,217,139,0.11);
  --green-glow:  rgba(0,217,139,0.22);
  --red:         #ff5c7a;
  --red-dim:     rgba(255,92,122,0.11);
  --blue:        #4a9eff;
  --blue-dim:    rgba(74,158,255,0.11);
  --yellow:      #f5c842;
  --yellow-dim:  rgba(245,200,66,0.11);
  --purple:      #a97bff;
  --purple-dim:  rgba(169,123,255,0.11);
  --teal:        #00c8c8;
  --teal-dim:    rgba(0,200,200,0.11);
  --orange:      #ff8c42;
  --orange-dim:  rgba(255,140,66,0.11);
  --pink:        #ff6eb4;
  --pink-dim:    rgba(255,110,180,0.11);

  --toggle-bg: var(--surface);
}

/* ── LIGHT MODE ───────────────────────────────────────────────── */
[data-theme="light"] {
  --bg:          #f0f2f7;
  --surface:     #ffffff;
  --surface2:    #e8ebf3;
  --surface3:    #dde0eb;
  --border:      rgba(0,0,0,0.08);
  --border-soft: rgba(0,0,0,0.04);
  --text:        #141726;
  --text-soft:   #353a55;
  --muted:       #7478a0;
  --shadow:      rgba(0,0,0,0.09);

  --green:       #009e6e;
  --green-dim:   rgba(0,158,110,0.10);
  --green-glow:  rgba(0,158,110,0.18);
  --red:         #d9284e;
  --red-dim:     rgba(217,40,78,0.09);
  --blue:        #1e6fd4;
  --blue-dim:    rgba(30,111,212,0.09);
  --yellow:      #b87e00;
  --yellow-dim:  rgba(184,126,0,0.10);
  --purple:      #7038cc;
  --purple-dim:  rgba(112,56,204,0.09);
  --teal:        #007c7c;
  --teal-dim:    rgba(0,124,124,0.09);
  --orange:      #c85a00;
  --orange-dim:  rgba(200,90,0,0.09);
  --pink:        #c0347a;
  --pink-dim:    rgba(192,52,122,0.09);

  --toggle-bg: #ffffff;
}

/* ── ΧΡΩΜΑΤΑ ΚΑΤΗΓΟΡΙΩΝ ───────────────────────────────────────
   Κάθε ενότητα παίρνει --cat-accent / --cat-dim
   Ορίζονται στο <body data-section="finance"> κλπ
   ─────────────────────────────────────────────────────────── */
[data-section="finance"] {
  --cat-accent: var(--green);
  --cat-dim:    var(--green-dim);
  --cat-glow:   var(--green-glow);
}
[data-section="tasks"] {
  --cat-accent: var(--blue);
  --cat-dim:    var(--blue-dim);
  --cat-glow:   rgba(74,158,255,0.22);
}
[data-section="maintenance"] {
  --cat-accent: var(--orange);
  --cat-dim:    var(--orange-dim);
  --cat-glow:   rgba(255,140,66,0.22);
}
[data-section="calendar"] {
  --cat-accent: var(--yellow);
  --cat-dim:    var(--yellow-dim);
  --cat-glow:   rgba(245,200,66,0.22);
}
[data-section="kids"] {
  --cat-accent: var(--pink);
  --cat-dim:    var(--pink-dim);
  --cat-glow:   rgba(255,110,180,0.22);
}
[data-section="shopping"] {
  --cat-accent: var(--teal);
  --cat-dim:    var(--teal-dim);
  --cat-glow:   rgba(0,200,200,0.22);
}
[data-section="pantry"] {
  --cat-accent: var(--purple);
  --cat-dim:    var(--purple-dim);
  --cat-glow:   rgba(169,123,255,0.22);
}
/* Default (dashboard) */
body:not([data-section]) {
  --cat-accent: var(--green);
  --cat-dim:    var(--green-dim);
  --cat-glow:   var(--green-glow);
}

/* ── BASE ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing:border-box; margin:0; padding:0; }
  button { all:unset; box-sizing:border-box; cursor:pointer; font-family:inherit; }
  body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
  transition: background 0.25s, color 0.25s;
}

/* ── SIDEBAR ──────────────────────────────────────────────────── */
.sidebar {
  position: fixed; top: 0; left: 0;
  width: 60px; height: 100vh;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column; align-items: center;
  padding: 16px 0; gap: 1px;
  z-index: 100;
  transition: width 0.22s ease, background 0.25s;
  overflow: hidden;
}
.sidebar:hover { width: 204px; }

.sidebar-logo {
  font-size: 22px; margin-bottom: 18px;
  text-align: center; width: 100%;
}

.nav-group-label {
  font-size: 9px; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--muted);
  padding: 10px 22px 4px; width: 100%;
  opacity: 0; transition: opacity 0.15s;
  white-space: nowrap;
}
.sidebar:hover .nav-group-label { opacity: 1; }

.nav-item {
  display: flex; align-items: center; gap: 12px;
  width: 100%; padding: 9px 20px;
  color: var(--muted); text-decoration: none;
  font-size: 13px; font-weight: 500;
  white-space: nowrap; overflow: hidden;
  transition: all 0.18s;
  border: none; border-left: 2px solid transparent;
  background: none; cursor: pointer;
  font-family: 'DM Sans', sans-serif;
}
.nav-item i { min-width: 18px; text-align: center; font-size: 14px; flex-shrink: 0; }
.nav-item:hover { color: var(--text); background: rgba(128,128,128,0.06); }
.nav-item.active { color: var(--cat-accent); border-left-color: var(--cat-accent); background: var(--cat-dim); }
.nav-item.logout { color: var(--red); }
.nav-item.logout:hover { background: var(--red-dim); }

.nav-label { opacity: 0; transition: opacity 0.12s; }
.sidebar:hover .nav-label { opacity: 1; }
.sidebar-bottom { margin-top: auto; width: 100%; }

/* ── MAIN ─────────────────────────────────────────────────────── */
.main { margin-left: 60px; padding: 22px 20px 60px; }

/* ── PAGE HEADER (compact) ────────────────────────────────────── */
.page-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}
.page-header-left { display: flex; align-items: center; gap: 10px; }
.page-icon {
  width: 34px; height: 34px; border-radius: 9px;
  background: var(--cat-dim);
  color: var(--cat-accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; flex-shrink: 0;
}
.page-title {
  font-family: 'DM Sans', sans-serif;
  font-size: 16px; font-weight: 600; line-height: 1.2;
}
.page-subtitle { font-size: 12px; color: var(--muted); margin-top: 1px; }
.page-header-right { display: flex; align-items: center; gap: 8px; }

/* Avatar */
.avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--cat-dim); color: var(--cat-accent);
  display: flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 13px; flex-shrink: 0;
}

/* Month badge */
.month-badge {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px; padding: 4px 11px;
  font-size: 11px; color: var(--muted);
}

/* ── SECTION LABEL ────────────────────────────────────────────── */
.section-label {
  font-size: 10px; font-weight: 600; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.1em;
  margin: 22px 0 9px;
  display: flex; align-items: center; gap: 6px;
}
.section-label::after {
  content: '';
  flex: 1; height: 1px;
  background: var(--border);
}

/* ── GRID ─────────────────────────────────────────────────────── */
.grid-tiles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
}

/* ── TILE ─────────────────────────────────────────────────────── */
.tile {
  display: flex; flex-direction: column; gap: 8px;
  padding: 14px; background: var(--surface);
  border: 1px solid var(--border); border-radius: 12px;
  text-decoration: none; color: var(--text);
  font-size: 12px; font-weight: 500; line-height: 1.3;
  transition: all 0.18s;
  animation: fadeUp 0.3s ease both;
}
.tile:hover {
  background: var(--surface2);
  border-color: var(--cat-glow);
  transform: translateY(-2px);
}
.tile-icon {
  width: 30px; height: 30px; border-radius: 8px;
  background: var(--cat-dim); color: var(--cat-accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
}

/* ── WIDGET CARDS (για dashboard summary) ─────────────────────── */
.widget-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 8px; margin-bottom: 16px;
}
.widget {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 12px 14px;
  transition: background 0.25s;
}
.widget-label { font-size: 11px; color: var(--muted); margin-bottom: 4px; }
.widget-value { font-size: 18px; font-weight: 600; color: var(--text); line-height: 1; }
.widget-sub   { font-size: 11px; color: var(--muted); margin-top: 3px; }
.widget-accent { border-left: 2px solid var(--cat-accent); }

/* ── CARD (forms / content areas) ────────────────────────────── */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 18px;
  transition: background 0.25s;
}
.card-header {
  font-size: 13px; font-weight: 600;
  margin-bottom: 14px; padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 8px; color: var(--text-soft);
}
.card-header i { color: var(--cat-accent); }

/* ── FORM ELEMENTS ────────────────────────────────────────────── */
input, select, textarea {
  background: var(--surface2); border: 1px solid var(--border);
  color: var(--text); border-radius: 8px;
  padding: 8px 12px; font-family: 'DM Sans', sans-serif;
  font-size: 13px; transition: border-color 0.18s, background 0.25s;
  width: 100%;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--cat-accent);
  background: var(--surface3);
}
label {
  font-size: 11px; font-weight: 500; color: var(--muted);
  display: block; margin-bottom: 5px;
}
.form-group { margin-bottom: 12px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

/* ── BUTTONS ──────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 16px; border-radius: 8px; font-size: 13px; font-weight: 500;
  font-family: 'DM Sans', sans-serif; cursor: pointer; border: none;
  transition: all 0.18s; text-decoration: none;
}
.btn-primary {
  background: var(--cat-accent); color: #0f1117;
}
.btn-primary:hover { filter: brightness(1.1); }
.btn-ghost {
  background: transparent; color: var(--muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text); border-color: rgba(128,128,128,0.25); }
.btn-danger {
  background: var(--red-dim); color: var(--red);
  border: 1px solid rgba(255,92,122,0.2);
}
.btn-danger:hover { background: var(--red); color: #fff; }
.btn-sm { padding: 5px 11px; font-size: 12px; }
.btn-icon { width: 30px; height: 30px; padding: 0; border-radius: 7px; }

/* ── TABLE ────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  text-align: left; padding: 9px 12px;
  font-size: 10px; font-weight: 600; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.08em;
  border-bottom: 1px solid var(--border);
}
td { padding: 9px 12px; border-bottom: 1px solid var(--border-soft); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--surface2); }

/* ── BADGE / TAG ──────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px; border-radius: 20px;
  font-size: 11px; font-weight: 500;
}
.badge-green  { background: var(--green-dim);  color: var(--green);  }
.badge-red    { background: var(--red-dim);    color: var(--red);    }
.badge-blue   { background: var(--blue-dim);   color: var(--blue);   }
.badge-yellow { background: var(--yellow-dim); color: var(--yellow); }
.badge-purple { background: var(--purple-dim); color: var(--purple); }
.badge-teal   { background: var(--teal-dim);   color: var(--teal);   }
.badge-orange { background: var(--orange-dim); color: var(--orange); }
.badge-pink   { background: var(--pink-dim);   color: var(--pink);   }
.badge-muted  { background: var(--surface3);   color: var(--muted);  }

/* ── EMPTY STATE ──────────────────────────────────────────────── */
.empty-state {
  text-align: center; padding: 40px 20px; color: var(--muted);
}
.empty-state i { font-size: 28px; margin-bottom: 10px; display: block; opacity: 0.4; }
.empty-state p { font-size: 13px; }

/* ── ALERT ────────────────────────────────────────────────────── */
.alert {
  padding: 10px 14px; border-radius: 8px; font-size: 13px;
  margin-bottom: 14px; display: flex; align-items: center; gap: 8px;
}
.alert-success { background: var(--green-dim); color: var(--green); border: 1px solid var(--green-glow); }
.alert-danger  { background: var(--red-dim);   color: var(--red);   border: 1px solid rgba(255,92,122,0.2); }
.alert-info    { background: var(--blue-dim);  color: var(--blue);  border: 1px solid rgba(74,158,255,0.2); }

/* ── TOPBAR STRIP (για σελίδες με back button) ────────────────── */
.topbar-strip {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 18px;
}
.back-btn {
  width: 30px; height: 30px; border-radius: 8px;
  background: var(--surface2); border: 1px solid var(--border);
  color: var(--muted); text-decoration: none;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; transition: all 0.18s; flex-shrink: 0;
}
.back-btn:hover { color: var(--text); }
.topbar-title { font-size: 15px; font-weight: 600; }

/* ── LOGOUT WRAP ──────────────────────────────────────────────── */
.logout-wrap { margin-top: 28px; }
.logout-btn {
  width: 100%; padding: 11px; font-family: 'DM Sans', sans-serif;
  font-size: 13px; font-weight: 500;
  background: var(--red-dim); color: var(--red);
  border: 1px solid rgba(255,92,122,0.2);
  border-radius: 10px; cursor: pointer;
  transition: all 0.18s;
  display: flex; align-items: center; justify-content: center; gap: 7px;
}
.logout-btn:hover { background: var(--red); color: #fff; }

/* ── TOGGLE BUTTON (dark/light) ───────────────────────────────── */
.theme-toggle-btn {
  position: fixed; bottom: 20px; right: 20px;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--surface); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 17px; cursor: pointer; z-index: 9999;
  text-decoration: none; transition: transform 0.18s, background 0.25s;
}
.theme-toggle-btn:hover { transform: scale(1.1); background: var(--surface2); }

/* ── ANIMATIONS ───────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── PROGRESS BAR ─────────────────────────────────────────────── */
.progress-bar {
  height: 5px; border-radius: 3px;
  background: var(--surface3); overflow: hidden;
}
.progress-fill {
  height: 100%; border-radius: 3px;
  background: var(--cat-accent);
  transition: width 0.4s ease;
}

/* ── CHECKBOX CUSTOM ──────────────────────────────────────────── */
.check-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: 8px;
  border: 1px solid var(--border-soft);
  background: var(--surface); cursor: pointer;
  transition: all 0.15s;
}
.check-item:hover { background: var(--surface2); border-color: var(--border); }
.check-item.done { opacity: 0.5; }
.check-item.done .check-label { text-decoration: line-through; }
.check-box {
  width: 17px; height: 17px; border-radius: 5px;
  border: 1.5px solid var(--border); background: var(--surface2);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: all 0.15s;
}
.check-box.checked { background: var(--cat-accent); border-color: var(--cat-accent); }
.check-box.checked::after { content: '✓'; font-size: 10px; color: #0f1117; font-weight: 700; }
.check-label { font-size: 13px; flex: 1; }
.check-meta  { font-size: 11px; color: var(--muted); }

/* ── RESPONSIVE ───────────────────────────────────────────────── */
@media (max-width: 640px) {
  .sidebar         { display: none; }
  .main            { margin-left: 0; padding: 14px 12px 86px; }
  .page-title      { font-size: 15px; }
  .month-badge     { display: none; }
  .grid-tiles      { grid-template-columns: repeat(2, 1fr); }
  .widget-grid     { grid-template-columns: repeat(2, 1fr); }
  .form-row        { grid-template-columns: 1fr; }
  .theme-toggle-btn { bottom: 74px; right: 14px; width: 36px; height: 36px; font-size: 15px; }
}

/* ── MOBILE BOTTOM NAV ────────────────────────────────────────── */
.mobile-nav {
  display: none; position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--surface); border-top: 1px solid var(--border);
  padding: 8px 0 14px; z-index: 200;
}
.mobile-nav-inner { display: flex; justify-content: space-around; align-items: center; }
.mob-btn {
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  color: var(--muted); text-decoration: none; font-size: 9px; padding: 0 8px;
}
.mob-btn i { font-size: 18px; }
.mob-btn.active { color: var(--cat-accent); }
@media (max-width: 640px) { .mobile-nav { display: block; } }

/* ── FORM BUTTONS (add_obligation, add_expense etc) ── */
.type-btn {
  flex:1; padding:10px; border-radius:9px;
  border:1px solid var(--border); background:var(--surface2);
  color:var(--muted); font-family:"DM Sans",sans-serif;
  font-size:13px; font-weight:500; cursor:pointer;
  transition:all 0.18s; display:flex; align-items:center;
  justify-content:center; gap:7px;
}
.type-btn:hover { color:var(--text); background:var(--surface3); }
.type-btn.sel-kino    { background:var(--blue-dim);  color:var(--blue);  border-color:var(--blue); }
.type-btn.sel-atomiko { background:var(--green-dim); color:var(--green); border-color:var(--green); }
.type-toggle { display:flex; gap:8px; }

.freq-pill {
  display:flex; flex-direction:column; align-items:center;
  gap:6px; padding:12px 8px; border-radius:10px;
  border:1px solid var(--border); background:var(--surface2);
  color:var(--muted); font-family:"DM Sans",sans-serif;
  font-size:11px; font-weight:500; cursor:pointer; transition:all 0.15s;
}
.freq-pill i { font-size:16px; }
.freq-pill:hover { color:var(--text); background:var(--surface3); }
.freq-pill.selected { background:var(--yellow-dim); color:var(--yellow); border-color:var(--yellow); }
.freq-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:7px; }
