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

:root {
  --bg:          #0e0e0f;
  --surface:     #17171a;
  --surface-2:   #1f1f24;
  --border:      #2a2a30;
  --accent:      #6366f1;
  --accent-dim:  rgba(99, 102, 241, 0.15);
  --accent-glow: rgba(99, 102, 241, 0.35);
  --text-1:      #f0f0f2;
  --text-2:      #9898a6;
  --text-3:      #55555f;
  --success:     #34d399;
  --radius-sm:   8px;
  --radius-md:   14px;
  --radius-lg:   20px;
  --font:        -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --transition:  0.18s ease;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--bg);
  color: var(--text-1);
  font-family: var(--font);
  min-height: 100vh;
}

/* ── App Shell ───────────────────────────────────── */
.app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 680px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ── Header ──────────────────────────────────────── */
.header {
  padding: 24px 0 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-transform: lowercase;
}

/* ── Nav ─────────────────────────────────────────── */
.nav {
  display: flex;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px;
}

.nav-btn {
  background: none;
  border: none;
  color: var(--text-2);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.02em;
}

.nav-btn:hover {
  color: var(--text-1);
}

.nav-btn.active {
  background: var(--surface-2);
  color: var(--text-1);
}

/* ── Main ────────────────────────────────────────── */
.main {
  flex: 1;
  padding: 40px 0 60px;
}

/* ── Views ───────────────────────────────────────── */
.view {
  display: none;
}

.view.active {
  display: block;
}

.view-header {
  margin-bottom: 36px;
}

.view-title {
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-1);
  margin-bottom: 8px;
}

.view-subtitle {
  color: var(--text-2);
  font-size: 0.95rem;
}

/* ── Duration Cards (Select View) ────────────────── */
.duration-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.duration-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 32px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-1);
  font-family: var(--font);
}

.duration-card:hover {
  background: var(--surface-2);
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 8px 32px var(--accent-glow);
  transform: translateY(-2px);
}

.duration-icon {
  font-size: 1.8rem;
}

.duration-label {
  font-size: 0.95rem;
  font-weight: 600;
}

.duration-hint {
  font-size: 0.75rem;
  color: var(--text-3);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.duration-card.active {
  background: var(--surface-2);
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 8px 32px var(--accent-glow);
}

/* ── Result Card ─────────────────────────────────── */
.result-wrap {
  display: none;
  margin-top: 32px;
}

.result-wrap.visible {
  display: block;
}

.result-card {
  background: var(--surface);
  border: 1px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: 0 0 0 1px var(--accent-dim), 0 16px 48px var(--accent-glow);
}

.result-card--in {
  animation: result-in 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes result-in {
  from { opacity: 0; transform: translateY(16px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.result-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.result-title {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-1);
  margin-bottom: 8px;
  line-height: 1.3;
}

.result-desc {
  font-size: 0.93rem;
  color: var(--text-2);
  line-height: 1.6;
  margin-bottom: 24px;
}

.result-actions {
  display: flex;
  gap: 10px;
}

.result-card--success {
  border-color: var(--success);
  box-shadow: 0 0 0 1px rgba(52, 211, 153, 0.2), 0 16px 48px rgba(52, 211, 153, 0.12);
}

.result-card--success .result-label {
  color: var(--success);
}

.result-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-3);
  font-size: 0.95rem;
  line-height: 1.8;
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
}

/* ── Outcome Form ────────────────────────────────── */
.btn-success {
  background: var(--success);
  border: none;
  border-radius: var(--radius-sm);
  color: #0a0a0a;
  font-size: 0.88rem;
  font-weight: 700;
  padding: 8px 18px;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
}

.btn-success:hover {
  filter: brightness(1.08);
}

.outcome-section {
  display: none;
  flex-direction: column;
  gap: 14px;
}

.outcome-section.open {
  display: flex;
}

.outcome-divider {
  height: 1px;
  background: var(--border);
  margin: 8px 0;
}

.outcome-heading {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-1);
}

.outcome-optional {
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--text-3);
  margin-left: 4px;
}

.file-upload-label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--surface-2);
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--text-3);
  transition: var(--transition);
}

.file-upload-label:hover {
  border-color: var(--accent);
  color: var(--text-2);
}

.file-upload-label input[type="file"] {
  display: none;
}

/* ── Outcome Display (on done cards) ─────────────── */
.outcome-display {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.outcome-note {
  font-size: 0.83rem;
  color: var(--text-2);
  line-height: 1.5;
  font-style: italic;
}

.outcome-link {
  font-size: 0.83rem;
  color: var(--accent);
  text-decoration: none;
  word-break: break-all;
}

.outcome-link:hover {
  text-decoration: underline;
}

.outcome-image {
  max-width: 100%;
  max-height: 120px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

/* ── Check Button ────────────────────────────────── */
.btn-check {
  background: none;
  border: none;
  color: var(--text-3);
  font-size: 0.85rem;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  opacity: 0;
  font-family: var(--font);
}

.task-card:hover .btn-check {
  opacity: 1;
}

.btn-check:hover {
  color: var(--success);
  background: rgba(52, 211, 153, 0.1);
}

/* ── Tasks Toolbar ───────────────────────────────── */
.tasks-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 12px;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.filter-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 5px 14px;
  border-radius: 100px;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
}

.filter-btn:hover {
  color: var(--text-1);
  border-color: var(--text-3);
}

.filter-btn.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Buttons ─────────────────────────────────────── */
.btn-primary {
  background: var(--accent);
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 8px 18px;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
  letter-spacing: 0.01em;
}

.btn-primary:hover {
  filter: brightness(1.1);
}

.btn-ghost {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-2);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 8px 18px;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font);
}

.btn-ghost:hover {
  border-color: var(--text-3);
  color: var(--text-1);
}

/* ── Task List ───────────────────────────────────── */
.task-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

/* ── Task Card ───────────────────────────────────── */
.task-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  transition: var(--transition);
  animation: card-in 0.16s ease;
}

@keyframes card-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.task-card:hover {
  border-color: var(--text-3);
}

.task-card--done {
  opacity: 0.45;
}

.task-card--done .task-title {
  text-decoration: line-through;
  color: var(--text-2);
}

.task-card-main {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.task-card-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  min-width: 0;
}

.task-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-3);
}

.task-title {
  font-size: 0.98rem;
  font-weight: 500;
  color: var(--text-1);
  line-height: 1.4;
}

.task-desc {
  font-size: 0.85rem;
  color: var(--text-2);
  line-height: 1.5;
  white-space: pre-wrap;
}

.task-card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.btn-delete {
  background: none;
  border: none;
  color: var(--text-3);
  font-size: 0.75rem;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  opacity: 0;
  font-family: var(--font);
}

.task-card:hover .btn-delete {
  opacity: 1;
}

.btn-delete:hover {
  color: #f87171;
  background: rgba(248, 113, 113, 0.1);
}

/* ── Empty State ─────────────────────────────────── */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 64px 20px;
  color: var(--text-3);
  font-size: 0.95rem;
  line-height: 1.8;
}

.empty-hint {
  font-size: 0.85rem;
}

/* ── Inline Form ─────────────────────────────────── */
.inline-form-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 16px;
}

.form-bottom {
  display: flex;
  align-items: flex-end;
  gap: 20px;
  flex-wrap: wrap;
}

.form-bottom .form-group {
  flex: 1;
  min-width: 200px;
}

/* ── Form ────────────────────────────────────────── */
.task-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-2);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.form-input {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-1);
  font-size: 0.95rem;
  font-family: var(--font);
  padding: 10px 14px;
  outline: none;
  transition: var(--transition);
  resize: none;
  width: 100%;
}

.form-input::placeholder {
  color: var(--text-3);
}

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

.form-textarea {
  line-height: 1.6;
}

/* ── Radio Group ─────────────────────────────────── */
.radio-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.radio-card {
  cursor: pointer;
}

.radio-card input[type="radio"] {
  display: none;
}

.radio-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 8px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-2);
  transition: var(--transition);
  text-align: center;
}

.radio-card:hover .radio-label {
  border-color: var(--text-3);
  color: var(--text-1);
}

.radio-card input[type="radio"]:checked + .radio-label {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Form Actions ────────────────────────────────── */
.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding-top: 4px;
}

/* ── Completed Section ───────────────────────────── */
.completed-section {
  margin-top: 48px;
}

.completed-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.completed-title {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
}

.completed-count {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-3);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 1px 8px;
}

.completed-empty {
  padding: 24px 20px;
}

/* ── Card thumbnail ──────────────────────────────── */
.card-thumbnail {
  width: 100%;
  height: 72px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  margin-top: 8px;
  opacity: 0.7;
}

/* ── Task Detail Modal ───────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.open {
  display: flex;
}

.task-modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  width: 100%;
  max-width: 520px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.6);
  animation: modal-in 0.22s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes modal-in {
  from { opacity: 0; transform: translateY(16px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.task-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-3);
  font-size: 1.3rem;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-1);
  background: var(--surface-2);
}

.task-modal-title {
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-1);
  line-height: 1.3;
  margin-bottom: 10px;
}

.task-modal-title.modal-title--done {
  text-decoration: line-through;
  color: var(--text-2);
}

.task-modal-desc {
  font-size: 0.93rem;
  color: var(--text-2);
  line-height: 1.6;
}

.task-modal-outcome {
  margin-top: 24px;
}

.modal-outcome-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.modal-outcome-note {
  font-size: 0.92rem;
  color: var(--text-2);
  line-height: 1.6;
  font-style: italic;
}

.modal-outcome-image {
  width: 100%;
  max-height: 320px;
  object-fit: contain;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface-2);
}

.modal-image-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.btn-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-2);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 6px 14px;
  text-decoration: none;
  transition: var(--transition);
  align-self: flex-start;
}

.btn-download:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.file-size-hint {
  font-size: 0.75rem;
  color: var(--text-3);
  margin-top: 5px;
  display: block;
}

.modal-outcome-video {
  width: 100%;
  max-height: 320px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: #000;
}

.card-file-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-3);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 2px 8px;
  margin-top: 6px;
}

.modal-file-preview {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  color: var(--text-2);
}

.modal-done-section {
  margin-top: 8px;
}

.modal-done-actions {
  padding-top: 4px;
}

/* ── Duration count badge ────────────────────────── */
.duration-count {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: 100px;
  padding: 2px 8px;
  letter-spacing: 0.02em;
  transition: var(--transition);
}

.duration-count--empty {
  color: var(--text-3);
  background: none;
  border-color: var(--border);
}

/* ── Card remove animation ───────────────────────── */
.task-card--removing {
  animation: card-out 0.22s ease forwards;
}

@keyframes card-out {
  to { opacity: 0; transform: scale(0.95); }
}

/* ── Toast ───────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(16px);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-1);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 8px 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 300;
  white-space: nowrap;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── Scrollbar ───────────────────────────────────── */
::-webkit-scrollbar       { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); }

/* ── Focus rings ─────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 480px) {
  .duration-grid {
    grid-template-columns: 1fr;
  }

  .duration-card {
    flex-direction: row;
    justify-content: flex-start;
    padding: 20px 24px;
  }

  .tasks-toolbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .task-list {
    grid-template-columns: 1fr;
  }
}