/* ============================================================
   styles.css — Work Hours Tracker
   Dark-mode glassmorphism design system
   ============================================================ */

/* ── Fonts ────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Design Tokens ───────────────────────────────────────── */
:root {
  /* Colors */
  --bg-base:        #0d1117;
  --bg-surface:     #161b22;
  --bg-elevated:    #1c2128;
  --bg-hover:       #21262d;

  --border-subtle:  rgba(255,255,255,0.07);
  --border-active:  rgba(99,179,237,0.4);

  --text-primary:   #e6edf3;
  --text-secondary: #8b949e;
  --text-muted:     #484f58;

  /* Accent palette */
  --accent-blue:    #58a6ff;
  --accent-blue-bg: rgba(88,166,255,0.1);

  --accent-green:    #3fb950;
  --accent-green-bg: rgba(63,185,80,0.1);

  --accent-amber:    #d29922;
  --accent-amber-bg: rgba(210,153,34,0.1);

  --accent-purple:    #bc8cff;
  --accent-purple-bg: rgba(188,140,255,0.1);

  --accent-red:    #f85149;
  --accent-red-bg: rgba(248,81,73,0.1);

  --accent-teal:    #2dd4bf;
  --accent-teal-bg: rgba(45,212,191,0.1);

  --accent-gray-bg: rgba(139,148,158,0.1);

  /* Glass */
  --glass-bg:  rgba(22,27,34,0.85);
  --glass-blur: blur(20px);

  /* Spacing */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  /* Transitions */
  --transition: 0.18s ease;
}

/* Light mode override */
body.light-mode {
  --bg-base:        #f0f4f8;
  --bg-surface:     #ffffff;
  --bg-elevated:    #f7f9fc;
  --bg-hover:       #eef2f7;

  --border-subtle:  rgba(0,0,0,0.08);
  --border-active:  rgba(37,99,235,0.4);

  --text-primary:   #1a202c;
  --text-secondary: #4a5568;
  --text-muted:     #a0aec0;

  --accent-blue:    #2563eb;
  --accent-blue-bg: rgba(37,99,235,0.08);

  --accent-green:    #16a34a;
  --accent-green-bg: rgba(22,163,74,0.08);

  --accent-amber:    #d97706;
  --accent-amber-bg: rgba(217,119,6,0.08);

  --accent-purple:    #7c3aed;
  --accent-purple-bg: rgba(124,58,237,0.08);

  --accent-red:    #dc2626;
  --accent-red-bg: rgba(220,38,38,0.08);

  --accent-teal:    #0d9488;
  --accent-teal-bg: rgba(13,148,136,0.08);

  --glass-bg: rgba(255,255,255,0.9);
}

/* ── Reset & Base ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background-color: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Subtle animated gradient background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 10%, rgba(88,166,255,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 80%, rgba(188,140,255,0.05) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* ── Layout ──────────────────────────────────────────────── */
.app-wrapper {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
  padding: 28px 20px 60px;
}

/* ── Glass Card ──────────────────────────────────────────── */
.card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
  transition: border-color var(--transition);
}
.card:hover { border-color: rgba(255,255,255,0.12); }

/* ── Header ──────────────────────────────────────────────── */
.app-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.app-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.app-title-icon {
  font-size: 1.4rem;
  line-height: 1;
}

.app-subtitle {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.header-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  line-height: 1;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border-subtle);
}
.btn-ghost:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: rgba(255,255,255,0.12);
}

.btn-primary {
  background: var(--accent-blue);
  color: #fff;
  border-color: transparent;
}
.btn-primary:hover { opacity: 0.88; }

.btn-danger {
  background: var(--accent-red-bg);
  color: var(--accent-red);
  border-color: rgba(248,81,73,0.2);
}
.btn-danger:hover { background: rgba(248,81,73,0.18); }

.btn-icon {
  font-size: 1rem;
  padding: 7px 9px;
}

/* ── Section Titles ──────────────────────────────────────── */
.section-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

/* ── Config Panel ────────────────────────────────────────── */
.config-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: end;
}

@media (max-width: 600px) {
  .config-panel { grid-template-columns: 1fr; }
}

.config-row-full { grid-column: 1 / -1; }

.config-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

/* Preset selector bar */
.preset-bar {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.preset-chip {
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 5px 11px;
  border-radius: 100px;
  border: 1px solid var(--border-subtle);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}
.preset-chip:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.preset-chip.active {
  background: var(--accent-blue-bg);
  color: var(--accent-blue);
  border-color: rgba(88,166,255,0.3);
}

/* ── Form Elements ───────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 5px; }

label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
}

input[type="number"],
input[type="text"],
input[type="time"],
select {
  font-family: inherit;
  font-size: 0.9rem;
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  width: 100%;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
  -webkit-appearance: none;
}

input[type="number"]:focus,
input[type="text"]:focus,
input[type="time"]:focus,
select:focus {
  border-color: var(--border-active);
  box-shadow: 0 0 0 3px rgba(88,166,255,0.12);
}

input::placeholder { color: var(--text-muted); }

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238b949e' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 36px;
  cursor: pointer;
}

/* Light mode overrides for selects */
body.light-mode select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%234a5568' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
}

.hint-text {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ── Day Grid ────────────────────────────────────────────── */
.days-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

/* ── Day Card ────────────────────────────────────────────── */
.day-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  transition: border-color var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.day-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--day-accent, transparent);
  transition: background var(--transition);
}

/* Status accent colors */
.day-card[data-type="worked"]      { --day-accent: var(--accent-green); }
.day-card[data-type="wfh"]         { --day-accent: var(--accent-teal);  }
.day-card[data-type="holiday"]     { --day-accent: var(--accent-blue);  }
.day-card[data-type="half-day"]    { --day-accent: var(--accent-amber); }
.day-card[data-type="in-progress"] { --day-accent: var(--accent-purple); }

.day-card:hover {
  border-color: rgba(255,255,255,0.12);
  box-shadow: 0 4px 24px rgba(0,0,0,0.2);
}

.day-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.day-name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
}

.day-status-badge {
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 100px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Badge variants */
.badge-worked    { background: var(--accent-green-bg);  color: var(--accent-green);  }
.badge-wfh       { background: var(--accent-teal-bg);   color: var(--accent-teal);   }
.badge-holiday   { background: var(--accent-blue-bg);   color: var(--accent-blue);   }
.badge-half-day  { background: var(--accent-amber-bg);  color: var(--accent-amber);  }
.badge-in-progress { background: var(--accent-purple-bg); color: var(--accent-purple); }
.badge-empty     { background: var(--accent-gray-bg);   color: var(--text-secondary); }

/* Type select inside card */
.day-type-select {
  margin-bottom: 10px;
}

/* Conditional input area */
.day-extra {
  display: flex;
  flex-direction: column;
  gap: 6px;
  animation: fadeIn 0.15s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Mono font for time inputs */
.time-input {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
}

/* Warning inline */
.day-warning {
  font-size: 0.72rem;
  color: var(--accent-amber);
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Credit display */
.day-credit {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 8px;
  font-family: 'JetBrains Mono', monospace;
}

/* ── Summary Panel ───────────────────────────────────────── */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.summary-card {
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: all var(--transition);
}

.summary-card-blue   { background: var(--accent-blue-bg);   border-color: rgba(88,166,255,0.15);  }
.summary-card-green  { background: var(--accent-green-bg);  border-color: rgba(63,185,80,0.15);   }
.summary-card-amber  { background: var(--accent-amber-bg);  border-color: rgba(210,153,34,0.15);  }
.summary-card-purple { background: var(--accent-purple-bg); border-color: rgba(188,140,255,0.15); }
.summary-card-red    { background: var(--accent-red-bg);    border-color: rgba(248,81,73,0.15);   }

.summary-label {
  font-size: 0.71875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.75;
  margin-bottom: 6px;
}

.summary-card-blue   .summary-label { color: var(--accent-blue);   }
.summary-card-green  .summary-label { color: var(--accent-green);  }
.summary-card-amber  .summary-label { color: var(--accent-amber);  }
.summary-card-purple .summary-label { color: var(--accent-purple); }
.summary-card-red    .summary-label { color: var(--accent-red);    }

.summary-value {
  font-size: 1.625rem;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.summary-card-blue   .summary-value { color: var(--accent-blue);   }
.summary-card-green  .summary-value { color: var(--accent-green);  }
.summary-card-amber  .summary-value { color: var(--accent-amber);  }
.summary-card-purple .summary-value { color: var(--accent-purple); }
.summary-card-red    .summary-value { color: var(--accent-red);    }

.summary-sub {
  font-size: 0.75rem;
  margin-top: 3px;
  opacity: 0.65;
}

/* ── Logout Time Banner ──────────────────────────────────── */
.logout-banner {
  display: none;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(188,140,255,0.12), rgba(88,166,255,0.08));
  border: 1px solid rgba(188,140,255,0.25);
  margin-top: 16px;
  animation: fadeIn 0.2s ease;
}

.logout-banner.visible { display: flex; }

.logout-banner-icon { font-size: 1.5rem; }

.logout-banner-text .label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-purple);
  margin-bottom: 2px;
}

.logout-banner-time {
  font-size: 1.75rem;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-primary);
  letter-spacing: 0.04em;
}

.logout-banner-sub {
  font-size: 0.78125rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* Already-done variant */
.logout-banner.done {
  background: linear-gradient(135deg, rgba(63,185,80,0.1), rgba(63,185,80,0.05));
  border-color: rgba(63,185,80,0.25);
}
.logout-banner.done .label { color: var(--accent-green); }
.logout-banner.done .logout-banner-time { color: var(--accent-green); font-size: 1.125rem; }

/* ── Progress Bar ────────────────────────────────────────── */
.progress-wrap {
  margin-top: 18px;
}

.progress-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.progress-track {
  height: 6px;
  border-radius: 100px;
  background: var(--bg-hover);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 100px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
  transition: width 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  min-width: 4px;
}

.progress-fill.complete {
  background: linear-gradient(90deg, var(--accent-green), #56d887);
}

/* ── Tooltip / Info ──────────────────────────────────────── */
.info-text {
  font-size: 0.78125rem;
  color: var(--text-secondary);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  margin-top: 12px;
}

/* ── Footer ──────────────────────────────────────────────── */
.app-footer {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 32px;
}

/* ── Divider ─────────────────────────────────────────────── */
.divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 16px 0;
}

/* ── Responsive tweaks ───────────────────────────────────── */
@media (max-width: 480px) {
  .app-header { flex-direction: column; }
  .summary-value { font-size: 1.375rem; }
  .logout-banner-time { font-size: 1.375rem; }
}