/* ═══════════════════════════════════════════
   Time.log — main stylesheet
   Mobile-first, refined dark theme
═══════════════════════════════════════════ */

:root {
  --bg:        #0d0f18;
  --surface:   #161926;
  --surface2:  #1e2235;
  --surface3:  #252a40;
  --border:    #2a3050;
  --border2:   #353d5e;
  --accent:    #5b8dee;
  --accent-dim:#3a5fa0;
  --green:     #3ecf8e;
  --green-dim: #27825a;
  --amber:     #f0b429;
  --red:       #e05c5c;
  --text:      #eaecf4;
  --text2:     #9aa0be;
  --text3:     #626880;
  --radius-sm: 8px;
  --radius:    12px;
  --radius-lg: 16px;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --nav-h:     56px;
  --ease:      cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; }
a { color: inherit; text-decoration: none; }

/* ── Auth screen ── */
#auth-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  padding: 2rem 1.25rem;
}

.auth-wordmark {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 0.2rem;
  line-height: 1;
}
.auth-wordmark em {
  color: var(--accent);
  font-style: normal;
}
.auth-tagline {
  font-size: 0.75rem;
  color: var(--text3);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 2.5rem;
}

.auth-card {
  width: 100%;
  max-width: 340px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.auth-tabs {
  display: flex;
  gap: 0.25rem;
  background: var(--surface2);
  border-radius: var(--radius-sm);
  padding: 0.2rem;
  margin-bottom: 1.25rem;
}
.auth-tab {
  flex: 1;
  padding: 0.45rem;
  background: transparent;
  border: none;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text3);
  transition: background 0.15s, color 0.15s;
}
.auth-tab.active { background: var(--surface3); color: var(--text); }

.auth-error {
  font-size: 0.78rem;
  color: var(--red);
  text-align: center;
  min-height: 1rem;
  margin-top: 0.75rem;
}
.auth-success {
  font-size: 0.78rem;
  color: var(--green);
  text-align: center;
  min-height: 1rem;
  margin-top: 0.75rem;
}

/* ── App shell ── */
#app-screen { display: none; padding-bottom: calc(var(--nav-h) + 1rem); }

/* ── Top bar ── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
}
.topbar-wordmark {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
}
.topbar-wordmark em { color: var(--accent); font-style: normal; }
.topbar-right { display: flex; align-items: center; gap: 0.6rem; }
.env-badge {
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  display: none;
}
.env-badge.dev { background: rgba(240,180,41,0.12); color: var(--amber); display: inline-block; }
.topbar-user {
  font-size: 0.7rem;
  color: var(--text3);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── Bottom nav ── */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 50;
  height: var(--nav-h);
  background: var(--surface);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: stretch;
}
.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  background: none;
  border: none;
  color: var(--text3);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.15s;
  padding: 0.5rem 0;
}
.nav-item svg { width: 20px; height: 20px; stroke-width: 1.8; transition: stroke 0.15s; }
.nav-item.active { color: var(--accent); }
.nav-item.active svg { stroke: var(--accent); }

/* ── Page container ── */
.page {
  display: none;
  padding: 1.25rem;
  animation: fadein 0.18s var(--ease);
}
.page.active { display: block; }
@keyframes fadein { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ── Form elements ── */
.field { margin-bottom: 1rem; }
.field:last-child { margin-bottom: 0; }

.label {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 0.4rem;
}

.input {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.95rem;
  padding: 0.7rem 0.875rem;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(91,141,238,0.12);
}
.input.error { border-color: var(--red); }
.input::-webkit-calendar-picker-indicator { filter: invert(0.5); cursor: pointer; }

/* ── Custom 24h time selector ── */
.time-select {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.time-select-h,
.time-select-m {
  flex: 1;
  text-align: center;
  padding-left: 0.5rem;
  padding-right: 0.5rem;
  font-family: var(--font-mono);
  font-size: 1rem;
}
.time-colon {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text3);
  flex-shrink: 0;
}

.input-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.input-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.625rem;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.1s, box-shadow 0.15s;
  padding: 0.75rem 1.25rem;
  line-height: 1;
}
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }
.btn-primary { background: var(--accent); color: #fff; width: 100%; padding: 0.875rem; font-size: 0.95rem; }
.btn-primary:hover:not(:disabled) { box-shadow: 0 0 0 3px rgba(91,141,238,0.25); }
.btn-ghost { background: transparent; color: var(--text3); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--text); border-color: var(--border2); }
.btn-danger { background: transparent; color: var(--red); border: 1px solid rgba(224,92,92,0.3); width: 100%; }
.btn-icon { background: none; border: none; color: var(--text3); padding: 0.3rem; border-radius: 6px; display: inline-flex; transition: color 0.15s, background 0.15s; }
.btn-icon:hover { color: var(--red); background: rgba(224,92,92,0.1); }
.btn-signout { background: none; border: 1px solid var(--border); color: var(--text3); font-size: 0.72rem; font-weight: 600; padding: 0.3rem 0.65rem; border-radius: 6px; transition: color 0.15s, border-color 0.15s; }
.btn-signout:hover { color: var(--red); border-color: var(--red); }

/* ── Card ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.125rem;
  margin-bottom: 0.875rem;
}
.card:last-child { margin-bottom: 0; }

/* ── Section label ── */
.section-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 0.6rem;
}

/* ── Duration display ── */
.duration-display {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.875rem;
  margin-top: 0.75rem;
}
.duration-value {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--green);
  letter-spacing: -0.02em;
}
.duration-label {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.midnight-tag {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(91,141,238,0.12);
  border-radius: 4px;
  padding: 0.15rem 0.4rem;
  letter-spacing: 0.04em;
}

/* ── Pill / badge ── */
.badge {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 4px;
  padding: 0.15rem 0.4rem;
  vertical-align: middle;
}
.badge-accent  { background: rgba(91,141,238,0.14); color: var(--accent); }
.badge-green   { background: rgba(62,207,142,0.14); color: var(--green); }
.badge-amber   { background: rgba(240,180,41,0.14); color: var(--amber); }
.badge-red     { background: rgba(224,92,92,0.14);  color: var(--red); }
.badge-neutral { background: var(--surface3); color: var(--text3); }

/* ── History: period blocks ── */
.period-block { margin-bottom: 1.25rem; }

.period-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.875rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
  cursor: pointer;
  user-select: none;
  transition: border-color 0.15s;
}
.period-header:hover { border-color: var(--border2); }
.period-header.invoiced { border-color: rgba(62,207,142,0.2); }

.period-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text2);
}
.period-label.current { color: var(--accent); }
.period-label.invoiced { color: var(--green); }

.period-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.period-total {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--green);
  letter-spacing: -0.02em;
}
.period-chevron {
  color: var(--text3);
  font-size: 0.65rem;
  transition: transform 0.2s var(--ease);
}
.period-block.collapsed .period-chevron { transform: rotate(-90deg); }
.period-block.collapsed .period-body { display: none; }

/* ── Entry cards ── */
.date-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text3);
  padding: 0.35rem 0 0.3rem;
}

.entry-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.875rem 1rem;
  margin-bottom: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  transition: border-color 0.15s;
  overflow: hidden;
}
.entry-card.invoiced { opacity: 0.7; }
.entry-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}
.entry-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
  flex: 1;
}
.entry-hours {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--green);
  white-space: nowrap;
  letter-spacing: -0.02em;
}
.entry-time {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  color: var(--text3);
}

/* ── Time bar ── */
.time-bar {
  margin-top: 0.55rem;
  height: 4px;
  background: var(--surface2);
  border-radius: 99px;
  overflow: hidden;
  position: relative;
}
.time-bar-fill {
  position: absolute;
  top: 0;
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--accent), var(--green));
  min-width: 4px;
}

/* ── Summary strip ── */
.summary-strip {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.875rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}
.summary-strip-label { font-size: 0.7rem; color: var(--text3); font-weight: 600; text-transform: uppercase; letter-spacing: 0.07em; }
.summary-strip-value { font-family: var(--font-mono); font-size: 1rem; font-weight: 800; color: var(--accent); letter-spacing: -0.02em; }

/* ── Export preview ── */
.export-preview {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.875rem;
  font-size: 0.8rem;
  color: var(--text3);
  margin-bottom: 1rem;
  min-height: 2.5rem;
  line-height: 1.6;
}
.export-preview strong { color: var(--text); }

/* ── Settings ── */
.settings-section { margin-bottom: 1.25rem; }
.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--border);
}
.setting-row:last-child { border-bottom: none; padding-bottom: 0; }
.setting-info { flex: 1; }
.setting-name { font-size: 0.875rem; font-weight: 600; color: var(--text); margin-bottom: 0.15rem; }
.setting-desc { font-size: 0.72rem; color: var(--text3); line-height: 1.4; }
.cycle-preview {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  background: rgba(91,141,238,0.1);
  color: var(--accent);
  border-radius: 6px;
  padding: 0.3rem 0.6rem;
  margin-top: 0.75rem;
}

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: calc(var(--nav-h) + 1rem);
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  white-space: nowrap;
  z-index: 200;
  max-width: calc(100vw - 2.5rem);
  text-align: center;
  cursor: pointer;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s var(--ease), visibility 0.25s;
}
.toast.show {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.toast.success { background: var(--green); color: #0d1a12; }
.toast.error   { background: var(--red);   color: #fff; }

/* ── Spinner ── */
.spinner {
  display: inline-block;
  width: 15px; height: 15px;
  border: 2px solid rgba(255,255,255,0.25);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.55s linear infinite;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Empty state ── */
.empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text3);
  font-size: 0.875rem;
  line-height: 1.7;
}
.empty-icon { font-size: 2rem; margin-bottom: 0.75rem; opacity: 0.4; }

/* ── Loading overlay ── */
#loading-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  gap: 0.6rem;
  font-size: 0.82rem;
  color: var(--text3);
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ── Quick add button ── */
.btn-quick-add {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--accent);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  letter-spacing: 0.02em;
}
.btn-quick-add:hover { background: rgba(91,141,238,0.1); border-color: var(--accent); }

/* ── Edit entry modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  z-index: 100;
  display: none;
  align-items: flex-end;
  justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  width: 100%;
  max-width: 560px;
  max-height: 92dvh;
  overflow-y: auto;
  padding: 1.25rem 1.25rem 2.5rem;
}
.modal-handle {
  width: 36px;
  height: 4px;
  background: var(--border2);
  border-radius: 99px;
  margin: 0 auto 1.25rem;
}
.modal-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--text);
}

/* ── History subsections (Hours / KM) ── */
.subsection-block { margin-bottom: 0.5rem; }
.subsection-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.4rem 0.5rem;
  border-radius: var(--radius-sm);
  background: var(--surface2);
  cursor: pointer;
  margin-bottom: 0.4rem;
  user-select: none;
}
.subsection-block.collapsed .subsection-body { display: none; }
.subsection-label { font-size: 0.75rem; font-weight: 700; color: var(--text3); }
.subsection-total { font-size: 0.75rem; font-weight: 700; color: var(--text2); font-family: var(--font-mono); }