:root {
  --bg: #0d0d0d;
  --surface: #161616;
  --surface2: #1e1e1e;
  --border: #272727;
  --accent: #c8f135;
  --accent-dim: rgba(200,241,53,0.1);
  --text: #f0f0f0;
  --text-muted: #5a5a5a;
  --text-mid: #888;
  --danger: #ff4d4d;
  --danger-dim: rgba(255,77,77,0.08);
  --radius: 6px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  min-height: 100vh;
  font-size: 15px;
}

/* ─── AUTH ──────────────────────────────────────── */

.auth-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 72px;
  letter-spacing: 12px;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.auth-tagline {
  font-size: 13px;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 40px;
  letter-spacing: 0.5px;
}

.auth-tabs {
  display: flex;
  margin-bottom: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.auth-tab {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 10px 28px;
  cursor: pointer;
  transition: all 0.15s;
}

.auth-tab.active {
  background: var(--accent);
  color: #0d0d0d;
}

.auth-form {
  width: 100%;
  max-width: 360px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.auth-error {
  font-size: 13px;
  color: var(--danger);
  min-height: 18px;
  font-family: 'DM Mono', monospace;
}

.btn-auth {
  background: var(--accent);
  color: #0d0d0d;
  border: none;
  border-radius: var(--radius);
  font-family: 'Bebas Neue', sans-serif;
  font-size: 18px;
  letter-spacing: 2px;
  padding: 12px;
  cursor: pointer;
  width: 100%;
  transition: opacity 0.15s, transform 0.1s;
  margin-top: 4px;
}

.btn-auth:hover { opacity: 0.88; }
.btn-auth:active { transform: scale(0.98); }
.btn-auth:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }

/* ─── HEADER ─────────────────────────────────────── */

header {
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  position: sticky;
  top: 0;
  background: rgba(13,13,13,0.94);
  backdrop-filter: blur(14px);
  z-index: 100;
}

.logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 32px;
  letter-spacing: 4px;
  color: var(--accent);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.header-stats {
  display: flex;
  gap: 24px;
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  color: var(--text-muted);
}

.header-stats span b {
  color: var(--text);
  font-weight: 500;
}

.btn-signout {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 6px 14px;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-signout:hover { color: var(--text); border-color: var(--text-mid); }

/* ─── LAYOUT ─────────────────────────────────────── */

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 40px 24px;
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 28px;
  align-items: start;
}

@media (max-width: 740px) {
  .container { grid-template-columns: 1fr; padding: 20px 16px; gap: 20px; }
  header { padding: 0 16px; }
  .header-stats { display: none; }
}

/* ─── PANEL ──────────────────────────────────────── */

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.panel-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.panel-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 20px;
  letter-spacing: 2px;
  color: var(--text-muted);
  white-space: nowrap;
}

.search-wrap input {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  padding: 7px 12px;
  outline: none;
  width: 180px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.search-wrap input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

/* ─── CALENDAR NAV ───────────────────────────────── */

.cal-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.cal-month {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 17px;
  letter-spacing: 2px;
  color: var(--text);
}

.cal-arrow {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-mid);
  font-size: 14px;
  width: 30px;
  height: 30px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}

.cal-arrow:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-dim);
}

.cal-arrow:disabled {
  opacity: 0.25;
  cursor: not-allowed;
}

/* ─── FORM ───────────────────────────────────────── */

.form-body { padding: 24px; display: flex; flex-direction: column; gap: 16px; }

.field { display: flex; flex-direction: column; gap: 6px; }

label {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
textarea {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  padding: 10px 14px;
  width: 100%;
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
  -webkit-appearance: none;
}

input:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

textarea { resize: vertical; min-height: 72px; line-height: 1.5; }

.row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }

.btn-add {
  background: var(--accent);
  color: #0d0d0d;
  border: none;
  border-radius: var(--radius);
  font-family: 'Bebas Neue', sans-serif;
  font-size: 18px;
  letter-spacing: 2px;
  padding: 12px;
  cursor: pointer;
  width: 100%;
  transition: opacity 0.15s, transform 0.1s;
  margin-top: 4px;
}

.btn-add:hover { opacity: 0.88; }
.btn-add:active { transform: scale(0.98); }
.btn-add:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }

/* ─── HISTORY ─────────────────────────────────────── */

.history-body { padding: 0; }

.day-group { border-bottom: 1px solid var(--border); }
.day-group:last-child { border-bottom: none; }

.day-label {
  padding: 13px 24px;
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  transition: color 0.15s;
}

.day-label:hover { color: var(--text); }

.day-count {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2px 10px;
  font-size: 10px;
}

.day-entries { display: none; }
.day-entries.open { display: block; }

.entry {
  padding: 14px 24px;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: start;
  animation: slideIn 0.18s ease;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(-5px); }
  to   { opacity: 1; transform: translateY(0); }
}

.entry.flash { border-left: 3px solid var(--accent); }

.entry-name { font-weight: 500; font-size: 15px; margin-bottom: 5px; }

.entry-meta { display: flex; gap: 14px; flex-wrap: wrap; }

.meta-chip {
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  color: var(--text-mid);
  display: flex;
  align-items: center;
  gap: 5px;
}

.chip-label {
  color: var(--text-muted);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.entry-note {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-muted);
  font-style: italic;
  line-height: 1.5;
  border-left: 2px solid var(--border);
  padding-left: 10px;
}

.btn-delete {
  background: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 8px;
  font-size: 13px;
  transition: all 0.15s;
  line-height: 1;
}

.btn-delete:hover {
  color: var(--danger);
  border-color: var(--danger);
  background: var(--danger-dim);
}

/* ─── EMPTY STATE ─────────────────────────────────── */

.empty {
  padding: 52px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 2;
}

.empty-icon { font-size: 40px; display: block; margin-bottom: 12px; opacity: 0.35; }

/* ─── TOAST ──────────────────────────────────────── */

.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--accent);
  color: #0d0d0d;
  font-family: 'DM Mono', monospace;
  font-size: 13px;
  font-weight: 500;
  padding: 10px 24px;
  border-radius: 40px;
  z-index: 999;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
  white-space: nowrap;
}

.toast.show { transform: translateX(-50%) translateY(0); }

/* ─── LOADING ─────────────────────────────────────── */

.loading-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  transition: opacity 0.3s;
}

.loading-overlay.hidden { opacity: 0; pointer-events: none; }

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ─── FORGOT PASSWORD ────────────────────────────── */

.btn-forgot {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.5px;
  cursor: pointer;
  padding: 4px 0;
  text-align: center;
  transition: color 0.15s;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.btn-forgot:hover { color: var(--text); }