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

:root {
  --color-bg: #f0f0f8;
  --color-surface: #ffffff;
  --color-primary: #6c7bb5;
  --color-primary-hover: #5a69a3;
  --color-primary-light: #e8ebf5;
  --color-text: #2d2d3f;
  --color-text-muted: #6b6b80;
  --color-border: #d8d8e8;
  --color-danger: #c0626e;
  --color-danger-hover: #a84f5a;
  --color-pending: #c4a95a;
  --color-in-progress: #5a9ec4;
  --color-done: #5aab72;
  --color-error-bg: #fce8ea;
  --color-error-text: #a84f5a;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.12);
  --transition: 150ms ease;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  min-height: 100vh;
}

/* ---------- Login screen ---------- */

.login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #6c7bb5 0%, #8b7db5 50%, #a08bc0 100%);
}

.login-screen[hidden] {
  display: none;
}

.login-card {
  background: var(--color-surface);
  border-radius: 12px;
  padding: 3rem 2.5rem;
  text-align: center;
  box-shadow: var(--shadow-lg);
  max-width: 400px;
  width: 100%;
  margin: 1rem;
}

.login-card h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.02em;
  margin-bottom: 0.25rem;
}

.login-card .subtitle {
  color: var(--color-text-muted);
  font-size: 1rem;
  margin-bottom: 2rem;
}

.google-signin-wrapper {
  display: flex;
  justify-content: center;
  margin-bottom: 1rem;
}

.login-error {
  color: var(--color-error-text);
  background: var(--color-error-bg);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  margin-top: 0.75rem;
}

/* ---------- Header ---------- */

header {
  padding: 1.25rem 1.5rem;
  background: linear-gradient(135deg, #6c7bb5, #8b7db5);
  color: #fff;
}

.header-content {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.header-left h1 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.header-left .subtitle {
  font-size: 0.85rem;
  opacity: 0.85;
}

.header-right {
  flex-shrink: 0;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.user-name {
  font-size: 0.88rem;
  font-weight: 500;
  opacity: 0.95;
}

.btn-signout {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 0.3rem 0.7rem;
  font-size: 0.78rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition);
}

.btn-signout:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* ---------- Main ---------- */

main {
  max-width: 680px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

/* ---------- List selector ---------- */

.list-selector {
  margin-bottom: 1.25rem;
}

.list-tabs {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin-bottom: 0.6rem;
}

.list-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.9rem;
  font-size: 0.88rem;
  font-family: inherit;
  font-weight: 500;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition);
}

.list-tab:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.list-tab.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.list-tab-delete {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  font-size: 0.85rem;
  line-height: 1;
  opacity: 0.5;
  transition: all var(--transition);
}

.list-tab-delete:hover {
  opacity: 1;
  background: rgba(0, 0, 0, 0.15);
}

.list-tab.active .list-tab-delete:hover {
  background: rgba(255, 255, 255, 0.3);
}

.list-actions {
  display: flex;
  gap: 0.5rem;
}

.add-list-form {
  display: flex;
  gap: 0.35rem;
  align-items: center;
}

.add-list-form input {
  padding: 0.35rem 0.65rem;
  font-size: 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  width: 160px;
}

.add-list-form input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-light);
}

.btn-sm {
  padding: 0.35rem 0.7rem;
  font-size: 0.82rem;
}

/* ---------- Form ---------- */

.add-task {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.25rem;
}

.form-group {
  margin-bottom: 0.75rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--color-text-muted);
}

input[type="text"],
textarea,
select {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color var(--transition);
}

input[type="text"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  font-family: inherit;
  font-weight: 500;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

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

.btn-secondary {
  background: var(--color-border);
  color: var(--color-text);
}

.btn-secondary:hover {
  background: #c8c8d8;
}

.btn-danger {
  background: transparent;
  color: var(--color-danger);
  padding: 0.35rem 0.6rem;
  font-size: 0.82rem;
}

.btn-danger:hover {
  background: var(--color-error-bg);
  color: var(--color-danger-hover);
}

.btn-icon {
  background: transparent;
  color: var(--color-text-muted);
  padding: 0.35rem 0.6rem;
  font-size: 0.82rem;
}

.btn-icon:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

/* ---------- Filters ---------- */

.task-controls {
  margin-bottom: 1rem;
}

.filter-buttons {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.btn-filter {
  background: var(--color-surface);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  padding: 0.4rem 0.85rem;
  font-size: 0.82rem;
  border-radius: 999px;
}

.btn-filter:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-filter.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* ---------- Task list ---------- */

.task-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.task-item {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 0.7rem;
  transition: box-shadow var(--transition);
}

.task-item .task-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.drag-handle {
  cursor: grab;
  color: var(--color-text-muted);
  font-size: 1.1rem;
  padding: 0.15rem 0.2rem;
  user-select: none;
  flex-shrink: 0;
  line-height: 1;
  margin-top: 0.1rem;
  opacity: 0.5;
  transition: opacity var(--transition);
}

.drag-handle:hover {
  opacity: 1;
}

.drag-handle:active {
  cursor: grabbing;
}

.task-item.sortable-ghost {
  opacity: 0.35;
  background: var(--color-primary-light);
  box-shadow: none;
}

.task-item:hover {
  box-shadow: var(--shadow-lg);
}

.task-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.task-title {
  font-weight: 600;
  font-size: 1rem;
  word-break: break-word;
}

.task-item.status-done .task-title {
  text-decoration: line-through;
  opacity: 0.6;
}

.task-description {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  word-break: break-word;
}

.task-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.task-date {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.task-actions {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* Status badge */

.status-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  white-space: nowrap;
}

.status-badge.pending {
  background: #fdf3dc;
  color: #8a7130;
}

.status-badge.in_progress {
  background: #dceffc;
  color: #2e6e94;
}

.status-badge.done {
  background: #dcf5e3;
  color: #2e7a42;
}

/* Status toggle buttons */

.status-buttons {
  display: flex;
  gap: 0.2rem;
}

.btn-status {
  font-size: 0.72rem;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition);
}

.btn-status:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-status.active {
  font-weight: 600;
}

.btn-status.active.pending {
  background: #fdf3dc;
  color: #8a7130;
  border-color: #e6d5a0;
}

.btn-status.active.in_progress {
  background: #dceffc;
  color: #2e6e94;
  border-color: #a0cfe6;
}

.btn-status.active.done {
  background: #dcf5e3;
  color: #2e7a42;
  border-color: #a0dab0;
}

/* ---------- Error ---------- */

.error-message {
  background: var(--color-error-bg);
  color: var(--color-error-text);
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.88rem;
  margin-bottom: 0.75rem;
}

/* ---------- Empty state ---------- */

.empty-state {
  text-align: center;
  color: var(--color-text-muted);
  padding: 2.5rem 1rem;
  font-size: 0.95rem;
}

/* ---------- Alarm indicator ---------- */

.alarm-indicator {
  font-size: 0.9rem;
  cursor: default;
  flex-shrink: 0;
}

.alarm-indicator.disabled {
  opacity: 0.4;
}

/* ---------- Alarm fieldset ---------- */

.alarm-fieldset {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.75rem;
  margin-bottom: 0.75rem;
}

.alarm-fieldset legend {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  padding: 0 0.3rem;
}

.form-group-inline {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.form-group-inline label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.88rem;
  cursor: pointer;
}

input[type="datetime-local"] {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color var(--transition);
}

input[type="datetime-local"]:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* ---------- Modal ---------- */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 1rem;
}

.modal-overlay:not([hidden]) {
  display: flex;
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 1.5rem;
  width: 100%;
  max-width: 460px;
  box-shadow: var(--shadow-lg);
}

.modal h2 {
  margin-bottom: 1rem;
  font-size: 1.15rem;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

/* ---------- View toggle (Tehtävät / Sali) ---------- */

.view-toggle {
  display: flex;
  gap: 0.35rem;
  margin-bottom: 1.25rem;
}

.view-tab {
  padding: 0.55rem 1.4rem;
  font-size: 0.95rem;
  font-family: inherit;
  font-weight: 600;
  border: 2px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition);
}

.view-tab:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.view-tab.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* ---------- Gym tabs ---------- */

.gym-tabs {
  display: flex;
  gap: 0.35rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.gym-tab {
  padding: 0.45rem 1rem;
  font-size: 0.88rem;
  font-family: inherit;
  font-weight: 500;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition);
}

.gym-tab:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.gym-tab.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* ---------- Gym section ---------- */

.gym-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ---------- Programs ---------- */

.gym-section-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.archived-toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  cursor: pointer;
  user-select: none;
}

.add-program-form-wrap {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
  box-shadow: var(--shadow);
}

.inline-form {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.inline-form input[type="text"] {
  flex: 1;
  min-width: 160px;
}

.program-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: box-shadow var(--transition);
}

.program-card:hover {
  box-shadow: var(--shadow-lg);
}

.program-card.archived {
  opacity: 0.7;
}

.program-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.program-title-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.program-name {
  font-size: 1.05rem;
  font-weight: 700;
}

.program-badge {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
}

.program-badge.active {
  background: #dcf5e3;
  color: #2e7a42;
}

.program-badge.archived {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.program-header-btns {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.exercises-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0.1rem 0;
}

.exercise-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--color-border);
}

.exercise-row:last-child {
  border-bottom: none;
}

.exercise-info {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  flex: 1;
  min-width: 0;
}

.exercise-name {
  font-size: 0.92rem;
  font-weight: 600;
}

.exercise-meta {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.exercise-btns {
  display: flex;
  gap: 0.25rem;
  flex-shrink: 0;
}

.exercise-empty {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding: 0.25rem 0;
}

.add-exercise-btn {
  align-self: flex-start;
  margin-top: 0.1rem;
}

/* ---------- Workout tab ---------- */

.workout-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow);
  flex-wrap: wrap;
}

.workout-title-block h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.workout-start-time {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.exercise-workout-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  border-left: 3px solid transparent;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.exercise-workout-card:hover {
  box-shadow: var(--shadow-lg);
}

.exercise-workout-card.resting {
  border-left-color: var(--color-in-progress);
}

.exercise-workout-card.done {
  border-left-color: var(--color-done);
  opacity: 0.72;
}

@keyframes ewc-flash {
  0%, 100% { background: var(--color-surface); }
  30%, 70% { background: #dceffc; }
}

.exercise-workout-card.ewc-alert {
  animation: ewc-flash 0.8s ease-in-out 3;
}

.ewc-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.ewc-name {
  font-size: 1rem;
  font-weight: 700;
}

.ewc-target {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.ewc-progress {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.ewc-rest-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.25rem 0;
}

.ewc-countdown {
  font-size: 2.2rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--color-primary);
  letter-spacing: 0.04em;
  line-height: 1;
}

.ewc-rest-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

.ewc-done-banner {
  font-size: 0.9rem;
  font-weight: 600;
  color: #2e7a42;
}

.ewc-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* ---------- History tab ---------- */

.session-item {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.session-item:hover {
  box-shadow: var(--shadow-lg);
}

.session-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 1.25rem;
  cursor: pointer;
  user-select: none;
  gap: 0.5rem;
}

.session-info {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  flex: 1;
  min-width: 0;
}

.session-badge {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  white-space: nowrap;
}

.session-badge.done {
  background: #dcf5e3;
  color: #2e7a42;
}

.session-badge.active {
  background: #dceffc;
  color: #2e6e94;
}

.session-program-name {
  font-weight: 600;
  font-size: 0.92rem;
}

.session-date {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.session-toggle-icon {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.session-sets {
  padding: 0.75rem 1.25rem 1rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.session-exercise-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
  font-size: 0.88rem;
  padding: 0.25rem 0;
  border-bottom: 1px solid var(--color-border);
}

.session-exercise-row:last-child {
  border-bottom: none;
}

.ses-ex-name {
  font-weight: 600;
  flex-shrink: 0;
}

.ses-ex-sets {
  color: var(--color-text-muted);
  text-align: right;
}

.session-no-sets {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding: 0.25rem 0;
}

/* ---------- Responsive ---------- */

@media (max-width: 480px) {
  .header-content {
    flex-direction: column;
    text-align: center;
  }

  .header-left {
    margin-bottom: 0.5rem;
  }

  .header-left h1 {
    font-size: 1.4rem;
  }

  main {
    padding: 1rem 0.75rem 2rem;
  }

  .task-header {
    flex-direction: column;
  }

  .task-meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .login-card {
    padding: 2rem 1.5rem;
  }

  .add-list-form input {
    width: 120px;
  }
}