/* modal base */
.modal-overlay {
  position: fixed; inset: 0; background: var(--overlay-bg); backdrop-filter: blur(4px);
  z-index: 100; display: flex; align-items: center; justify-content: center; padding: 20px;
  opacity: 0; pointer-events: none;
  transition: opacity 0.22s ease;
  /* Pre-promote to GPU compositing layer so backdrop-filter is ready on first frame,
     preventing the init flash that occurs when the layer is created mid-transition. */
  will-change: opacity;
  transform: translateZ(0);
}
.modal-overlay.open { opacity: 1; pointer-events: auto; }
.modal {
  background: var(--surface); border: 1px solid var(--border2); border-radius: 16px;
  padding: 32px; width: 100%; max-width: 540px;
  transform: translateY(16px); transition: transform 0.22s cubic-bezier(0.25,0.46,0.45,0.94);
  max-height: 90vh; overflow-y: auto;
}
.modal-overlay.open .modal { transform: translateY(0); }

.modal-title { font-size: 20px; font-weight: 800; margin-bottom: 6px; letter-spacing: -0.02em; }
.modal-sub   { font-size: 12px; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; margin-bottom: 28px; }

/* form elements */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }
.form-group  { display: flex; flex-direction: column; gap: 6px; }
.form-label  { font-family: 'JetBrains Mono', monospace; font-size: 10px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); }

.form-input, .form-select, .form-textarea {
  background: var(--surface3); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px;
  font-family: 'JetBrains Mono', monospace; font-size: 13px; color: var(--text);
  outline: none; transition: border-color 0.2s; width: 100%;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--accent); }
.form-select option { background: var(--surface2); }
.form-textarea { resize: vertical; min-height: 70px; line-height: 1.5; }
.form-hint  { font-size: 10px; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; }
.form-error { color: var(--hard); font-size: 12px; font-family: 'JetBrains Mono', monospace; margin-top: 4px; display: none; }
.form-error.show { display: block; }

.modal-actions { display: flex; gap: 12px; margin-top: 24px; justify-content: flex-end; flex-wrap: wrap; }

@media (max-width: 600px) {
  .modal { padding: 20px 16px; }
  .modal-actions { justify-content: stretch; }
  .modal-actions .btn-cancel,
  .modal-actions .btn-submit { flex: 1; text-align: center; }
}

/* confirm / danger modal variant */
.confirm-modal-icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: rgba(var(--hard-rgb), 0.1); border: 1px solid rgba(var(--hard-rgb), 0.25);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; flex-shrink: 0;
}
.confirm-modal-header { display: flex; align-items: center; gap: 14px; margin-bottom: 8px; }
.confirm-modal-body   { font-size: 13px; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; line-height: 1.65; margin-bottom: 16px; }

.reset-confirm-field  { margin-bottom: 24px; }
.reset-confirm-label  { display: block; font-size: 12px; color: var(--text-muted); margin-bottom: 8px; font-family: 'JetBrains Mono', monospace; }
.reset-confirm-label strong { color: var(--hard); letter-spacing: 0.05em; }
.reset-confirm-input  { font-family: 'JetBrains Mono', monospace; letter-spacing: 0.1em; }
.reset-confirm-input:focus { border-color: var(--hard) !important; }

/* pomodoro stepper */
.pomo-stepper {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--surface3);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.2s;
}
.pomo-stepper:focus-within { border-color: var(--accent); }

/* Hide native browser spin arrows */
.pomo-input::-webkit-outer-spin-button,
.pomo-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.pomo-input[type=number] { -moz-appearance: textfield; appearance: textfield; }

.pomo-input {
  width: 72px;
  text-align: center;
  font-size: 26px;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent);
  background: transparent;
  border: none;
  border-right: 1px solid var(--border);
  border-radius: 0;
  padding: 10px 4px;
  outline: none;
  letter-spacing: 0.02em;
}
.pomo-input::placeholder { color: var(--text-muted); font-size: 20px; font-weight: 400; }
.pomo-input:focus { border-color: transparent; }

.pomo-step-col {
  display: flex;
  flex-direction: column;
  height: 52px;
}

.pomo-step-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 11px;
  width: 30px;
  height: 26px;         /* exactly half of stepper height */
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s, transform 0.1s;
  flex-shrink: 0;
  user-select: none;
  line-height: 1;
  border-bottom: 1px solid var(--border);  /* divider between ▲ and ▼ */
}
.pomo-step-btn:last-child { border-bottom: none; }
.pomo-step-btn:hover {
  background: rgba(var(--accent-rgb), 0.12);
  color: var(--accent);
}
.pomo-step-btn:active {
  transform: scale(0.85);
  background: rgba(var(--accent-rgb), 0.22);
}

.pomo-unit-label {
  font-size: 10px;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.pomo-colon {
  font-size: 34px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  padding-bottom: 24px;
  opacity: 0.7;
  font-family: 'JetBrains Mono', monospace;
}


/* user settings modal */
.us-field-group { margin-bottom: 18px; }
.us-label {
  display: block;
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 7px;
}
.us-hint {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
  font-family: inherit;
}
.us-input {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  font-size: 14px;
  padding: 10px 12px;
  outline: none;
  font-family: inherit;
  transition: border-color 0.15s;
  box-sizing: border-box;
}
.us-input:focus { border-color: var(--accent); }
.us-phone-row {
  display: flex;
  gap: 8px;
}
.us-phone-code {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  font-size: 13px;
  padding: 10px 8px;
  outline: none;
  cursor: pointer;
  flex: 0 0 140px;
  max-width: 140px;
  transition: border-color 0.15s;
}
.us-phone-code:focus { border-color: var(--accent); }
.us-phone-num { flex: 1; }
.us-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 18px 0;
}
/* Settings modal — relative container for logout icon */
.us-modal { position: relative; }

/* Logout button — top-right corner of settings modal */
.us-logout-btn {
  position: absolute;
  top: 32px; right: 32px;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  background: none;
  border: 1px solid rgba(var(--hard-rgb), 0.2);
  border-radius: 10px;
  padding: 8px 10px 6px;
  color: var(--hard);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}
.us-logout-btn span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.us-logout-btn:hover {
  background: rgba(var(--hard-rgb), 0.1);
  border-color: rgba(var(--hard-rgb), 0.5);
  transform: scale(1.06);
}
.us-logout-btn:active {
  transform: scale(0.93);
}

.us-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.us-toggle-row .us-label { margin-bottom: 0; }
/* Toggle switch */
.us-switch { position: relative; display: inline-block; width: 44px; height: 24px; flex-shrink: 0; }
.us-switch input { opacity: 0; width: 0; height: 0; }
.us-slider {
  position: absolute; inset: 0;
  background: var(--surface3);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}
.us-slider::before {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  left: 3px; bottom: 3px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: transform 0.2s, background 0.2s;
}
.us-switch input:checked + .us-slider { background: var(--accent); border-color: var(--accent); }
.us-switch input:checked + .us-slider::before { transform: translateX(20px); background: #fff; }
.hidden { display: none !important; }

@media (max-width: 600px) {
  .us-logout-btn { top: 20px; right: 16px; }
}