/* Global */

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

:root {
  --ink: #1c1c1a;
  --ink-soft: #4a4a46;
  --ink-muted: #7a7874;
  --paper: #f7f5f0;
  --paper-card: #fefdfb;
  --paper-warm: #f0ede6;
  --accent: #3d6b5a;
  --accent-hover: #2d5546;
  --low: #4a7c6a;
  --medium: #b8860b;
  --high: #b85450;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 12px rgba(28, 28, 26, 0.06);
  --shadow-sm: 0 1px 4px rgba(28, 28, 26, 0.04);
}

body {
  font-family: "Source Sans 3", system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 24px;
  font-weight: 400;
  letter-spacing: 0.01em;
}

/* Auth */
#auth-view {
  width: 100%;
  max-width: 420px;
}

.auth-card {
  background: var(--paper-card);
  border-radius: var(--radius);
  padding: 40px 36px 32px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(28, 28, 26, 0.06);
}

.auth-card h1 {
  font-family: "Outfit", sans-serif;
  font-size: 1.75rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
  color: var(--ink);
}

.auth-card .subtitle {
  color: var(--ink-muted);
  font-size: 0.9rem;
  font-weight: 400;
  margin-bottom: 32px;
}

.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(28, 28, 26, 0.08);
}

.tab-btn {
  background: none;
  border: none;
  padding: 8px 20px;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition:
    color 0.2s,
    background 0.2s;
}

.tab-btn:hover {
  color: var(--ink-soft);
  background: rgba(28, 28, 26, 0.04);
}

.tab-btn.active {
  color: var(--accent);
  background: rgba(61, 107, 90, 0.08);
}

.field {
  margin-bottom: 20px;
}

label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="datetime-local"],
select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid rgba(28, 28, 26, 0.12);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--paper);
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s;
}

input:focus,
select:focus {
  border-color: var(--accent);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: none;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition:
    opacity 0.2s,
    transform 0.15s;
}

.btn:hover {
  opacity: 0.9;
}
.btn:active {
  transform: scale(0.98);
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  width: 100%;
  margin-top: 8px;
  padding: 14px 24px;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-icon {
  background: var(--paper);
  border: 1px solid rgba(28, 28, 26, 0.1);
  color: var(--ink-muted);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition:
    color 0.2s,
    border-color 0.2s,
    background 0.2s;
  flex-shrink: 0;
}

.btn-icon:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(61, 107, 90, 0.06);
}

.btn-add {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  border: none;
  font-size: 1.5rem;
  font-weight: 300;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    opacity 0.2s,
    transform 0.15s;
}

.btn-add:hover {
  opacity: 0.9;
  transform: scale(1.02);
}

.btn-del {
  background: none;
  border: none;
  color: var(--ink-muted);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  transition:
    color 0.2s,
    background 0.2s;
}

.btn-del:hover {
  color: var(--high);
  background: rgba(184, 84, 80, 0.08);
}

.err {
  color: var(--high);
  font-size: 0.8rem;
  margin-top: 10px;
  margin-bottom: 0;
  text-align: center;
  min-height: 1.25rem;
  line-height: 1.4;
}

.err:empty {
  margin-top: 0;
  min-height: 0;
  overflow: hidden;
}

/* App */
#app-view {
  width: 100%;
  max-width: 560px;
}

.app-card {
  background: var(--paper-card);
  border-radius: var(--radius);
  padding: 36px 32px 28px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(28, 28, 26, 0.06);
}

.app-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(28, 28, 26, 0.08);
}

.header-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.app-header h1 {
  font-family: "Outfit", sans-serif;
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--ink);
}

.header-datetime {
  font-size: 0.85rem;
  color: var(--ink-muted);
  font-weight: 400;
}

.add-row {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.add-input {
  flex: 1;
  padding: 14px 18px;
  border: 1px solid rgba(28, 28, 26, 0.12);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--paper);
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s;
}

.add-input:focus {
  border-color: var(--accent);
}

.add-input::placeholder {
  color: var(--ink-muted);
}

.extras-wrapper {
  margin-bottom: 24px;
}

.extras-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 8px 14px;
  margin-bottom: 0;
  background: transparent;
  border: 1px solid rgba(28, 28, 26, 0.1);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.8rem;
  color: var(--ink-muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.extras-toggle:hover {
  background: var(--paper-warm);
  color: var(--ink);
}

.extras-toggle svg {
  transition: transform 0.2s;
  flex-shrink: 0;
}

.extras-toggle.open svg {
  transform: rotate(180deg);
}

.add-extras {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 10px;
  margin-bottom: 0;
  padding: 20px;
  background: var(--paper-warm);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(28, 28, 26, 0.06);
}

.add-extras .span-2 {
  grid-column: 1 / -1;
}

.add-extras label {
  font-size: 0.75rem;
  color: var(--ink-muted);
  margin-bottom: 8px;
  font-weight: 500;
}

.add-extras input,
.add-extras select {
  padding: 10px 14px;
  font-size: 0.875rem;
  background: var(--paper-card);
  border-radius: var(--radius-sm);
}

.todos {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 28px;
  min-height: 48px;
}

.todo-item {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  padding: 16px 18px;
  border: 1px solid rgba(28, 28, 26, 0.08);
  border-left: 4px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--paper-card);
  transition:
    opacity 0.2s,
    transform 0.15s;
}

.todo-item:hover {
  transform: translateX(2px);
}

.todo-item.pri-low {
  border-left-color: var(--low);
}
.todo-item.pri-medium {
  border-left-color: var(--medium);
}
.todo-item.pri-high {
  border-left-color: var(--high);
}
.todo-item.done {
  opacity: 0.55;
}

.todo-item.done:hover {
  transform: none;
}

.todo-check {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  cursor: pointer;
  accent-color: var(--accent);
}

.todo-body {
  flex: 1;
  min-width: 0;
}

.todo-title {
  font-size: 0.95rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--ink);
}

.todo-item.done .todo-title {
  text-decoration: line-through;
  color: var(--ink-muted);
  font-weight: 400;
}

.todo-meta {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 4px;
}

.todo-desc {
  font-size: 0.8rem;
  color: var(--ink-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

.todo-due {
  font-size: 0.78rem;
  color: var(--ink-muted);
  flex-shrink: 0;
}

.state-msg {
  text-align: center;
  padding: 32px 24px;
  font-size: 0.9rem;
  color: var(--ink-muted);
  font-weight: 400;
}

.app-footer {
  border-top: 1px solid rgba(28, 28, 26, 0.08);
  padding-top: 20px;
}

.remaining {
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--ink-soft);
}

.quote {
  font-size: 0.85rem;
  color: var(--ink-muted);
  font-style: italic;
  line-height: 1.5;
  transition: opacity 0.5s ease;
}

/* Config */
.config-bar {
  position: fixed;
  top: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.config-toggle {
  background: var(--paper-card);
  border: 1px solid rgba(28, 28, 26, 0.1);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--ink-muted);
  cursor: pointer;
  transition:
    border-color 0.2s,
    color 0.2s;
  box-shadow: var(--shadow-sm);
}

.config-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.config-panel {
  background: var(--paper-card);
  border: 1px solid rgba(28, 28, 26, 0.1);
  border-radius: var(--radius);
  padding: 20px;
  min-width: 280px;
  box-shadow: var(--shadow);
}

.config-panel label {
  font-size: 0.78rem;
  color: var(--ink-muted);
  margin-bottom: 8px;
}

.config-panel input {
  padding: 10px 14px;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
}

.config-panel .btn-primary {
  margin-top: 8px;
}

.hidden {
  display: none !important;
}