body {
  background-image: radial-gradient(
      circle at 20% 20%,
      rgba(74, 144, 226, 0.35),
      transparent 45%
    ),
    radial-gradient(circle at 80% 10%, rgba(74, 226, 190, 0.2), transparent 40%),
    radial-gradient(circle at 50% 90%, rgba(226, 74, 172, 0.2), transparent 50%);
  background-color: #0e0e11;
  font-family: "Space Grotesk", sans-serif;
  color: #fff;
  margin: 0;
  overflow-x: hidden;
}
.hidden {
  display: none !important;
}
.pseudo-fullscreen-root {
  height: 100% !important;
  overflow: hidden !important;
}
.pseudo-fullscreen-body {
  height: 100vh !important;
  overflow: hidden !important;
}
.timer-display-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.timer-value {
  font-weight: 700;
  letter-spacing: -0.05em;
}
.timer-label {
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.25em;
}
.primary-btn,
.secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 3.25rem;
  padding: 0 2.5rem;
  border-radius: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}
.primary-btn {
  background: linear-gradient(135deg, #4a90e2, #7ab6ff);
  color: #fff;
  box-shadow: 0 12px 24px rgba(74, 144, 226, 0.3);
}
.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 30px rgba(74, 144, 226, 0.4);
}
.secondary-btn {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}
.secondary-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}
.preset-btn {
  padding: 0.4rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.8rem;
  transition: all 0.2s ease;
  cursor: pointer;
}
.preset-btn:hover {
  background: rgba(74, 144, 226, 0.15);
  border-color: rgba(74, 144, 226, 0.4);
  color: white;
}
.circle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.9);
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
}
.circle-btn:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.1);
}
.circle-btn[aria-pressed="true"] {
  background: #4a90e2;
  color: #fff;
  box-shadow: 0 8px 20px rgba(74, 144, 226, 0.4);
}
.circle-btn-primary {
  background: linear-gradient(135deg, #4a90e2, #618ffc);
  box-shadow: 0 12px 24px rgba(74, 144, 226, 0.35);
  color: #ffffff;
}
.circle-btn-primary:hover {
  background: linear-gradient(135deg, #5aa0f2, #7aa7ff);
}
.range-input {
  appearance: none;
  height: 0.4rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  outline: none;
}
.range-input::-webkit-slider-thumb {
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: #4a90e2;
  box-shadow: 0 2px 8px rgba(74, 144, 226, 0.45);
  cursor: pointer;
}
.range-input::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  border: none;
  background: #4a90e2;
  box-shadow: 0 2px 8px rgba(74, 144, 226, 0.45);
  cursor: pointer;
}
.playlist-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease;
}
.playlist-item:hover {
  transform: translateX(4px);
  background: rgba(74, 144, 226, 0.12);
  border-color: rgba(74, 144, 226, 0.35);
}
.playlist-item.active {
  background: linear-gradient(
    135deg,
    rgba(74, 144, 226, 0.25),
    rgba(56, 133, 239, 0.35)
  );
  border-color: rgba(74, 144, 226, 0.6);
  box-shadow: 0 10px 22px rgba(74, 144, 226, 0.25);
}
.playlist-item span {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
}
.playlist-item strong {
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
  letter-spacing: 0.01em;
}
.playlist-item .icon {
  color: rgba(255, 255, 255, 0.6);
}
.playlist-action-group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-left: 0.75rem;
}
.playlist-delete-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 0.75rem;
  background: rgba(255, 71, 71, 0.12);
  color: rgba(255, 120, 120, 0.85);
  border: 1px solid rgba(255, 71, 71, 0.25);
  transition: transform 0.15s ease, background 0.2s ease, color 0.2s ease,
    border-color 0.2s ease;
}
.playlist-delete-btn:hover,
.playlist-delete-btn:focus-visible {
  transform: translateY(-1px);
  background: rgba(255, 71, 71, 0.25);
  color: rgba(255, 196, 196, 0.95);
  border-color: rgba(255, 71, 71, 0.45);
}
.playlist-delete-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.35);
  border-color: rgba(255, 255, 255, 0.12);
  transform: none;
  box-shadow: none;
}
.playlist-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(74, 144, 226, 0.2);
  color: rgba(165, 208, 255, 0.95);
  border: 1px solid rgba(74, 144, 226, 0.35);
  margin-left: auto;
  white-space: nowrap;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.reminder-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  width: 3.4rem;
  height: 2rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.65);
  color: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
  padding: 0 0.25rem;
  gap: 0.3rem;
}
.reminder-btn:hover,
.reminder-btn[aria-pressed="true"] {
  transform: translateY(-1px);
  background: rgba(74, 144, 226, 0.85);
  box-shadow: 0 12px 30px rgba(74, 144, 226, 0.35);
}
.reminder-tooltip {
  position: absolute;
  bottom: calc(100% + 0.5rem);
  right: 0;
  transform: translateY(10%) scale(0.95);
  padding: 0.45rem 0.65rem;
  border-radius: 0.55rem;
  background: rgba(0, 0, 0, 0.88);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.68rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  pointer-events: none;
  opacity: 0;
  max-width: min(70vw, 240px);
  text-align: right;
  line-height: 1.2;
  white-space: normal;
  transition: opacity 0.2s ease, transform 0.2s ease;
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.reminder-btn:hover .reminder-tooltip,
.reminder-btn:focus-visible .reminder-tooltip {
  opacity: 1;
  transform: translateY(0) scale(1);
}
.reminder-row {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  width: 100%;
}
.reminder-row > .reminder-btn {
  margin-left: auto;
}
.reminder-row > div {
  min-width: 0;
}
.youtube-wrapper {
  width: 100%;
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  background: rgba(0, 0, 0, 0.5);
  aspect-ratio: 16 / 9;
  display: none;
}
.youtube-wrapper.active {
  display: block;
}
.youtube-player {
  width: 100%;
  height: 100%;
}
.add-track-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 0.75rem;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.85);
  border: 1px solid transparent;
  transition: background 0.2s ease, transform 0.15s ease, border-color 0.2s ease;
}
.add-track-btn:hover,
.add-track-btn:focus-visible,
.add-track-btn[aria-expanded="true"] {
  transform: translateY(-1px);
  background: rgba(74, 144, 226, 0.2);
  border-color: rgba(74, 144, 226, 0.45);
  box-shadow: 0 12px 26px rgba(74, 144, 226, 0.25);
}
.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
}
.modal.hidden {
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease;
}
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
}
.modal-panel {
  position: relative;
  width: min(90vw, 420px);
  border-radius: 1.2rem;
  padding: 1.75rem;
  background: linear-gradient(
    160deg,
    rgba(15, 16, 20, 0.92),
    rgba(6, 7, 10, 0.96)
  );
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 35px 65px rgba(0, 0, 0, 0.55);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  z-index: 1;
  transform: translateY(12px);
  opacity: 0;
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.modal:not(.hidden) .modal-panel {
  transform: translateY(0);
  opacity: 1;
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.modal-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #f7f8fb;
}
.modal-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid transparent;
  color: rgba(255, 255, 255, 0.85);
  transition: background 0.2s ease, transform 0.15s ease;
}
.modal-close:hover,
.modal-close:focus-visible {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.18);
}
.modal-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.modal-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.modal-label {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
}
.modal-input {
  width: 100%;
  border-radius: 0.85rem;
  border: 1px solid rgba(90, 125, 220, 0.2);
  background: linear-gradient(
    160deg,
    rgba(22, 26, 36, 0.95),
    rgba(12, 14, 20, 0.95)
  );
  padding: 0.75rem 0.95rem;
  color: #f0f4ff;
  font-size: 0.95rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.modal-input::placeholder {
  color: rgba(200, 210, 235, 0.4);
}
.modal-input:focus {
  outline: none;
  border-color: rgba(110, 170, 255, 0.7);
  box-shadow: 0 10px 28px -12px rgba(110, 170, 255, 0.5),
    0 0 0 2px rgba(110, 170, 255, 0.35);
  transform: translateY(-1px);
}
.modal-input.error {
  border-color: rgba(255, 87, 87, 0.8);
  box-shadow: 0 0 0 2px rgba(255, 87, 87, 0.25),
    0 10px 18px -12px rgba(255, 87, 87, 0.45);
}
.modal-error {
  min-height: 1.1rem;
  font-size: 0.75rem;
  color: #ff6b6b;
  letter-spacing: 0.02em;
}
.modal-actions {
  display: flex;
  gap: 0.75rem;
}
.modal-submit,
.modal-cancel {
  flex: 1;
  border-radius: 0.85rem;
  padding: 0.65rem 0.9rem;
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.modal-submit {
  background: linear-gradient(135deg, #4a90e2, #618ffc);
  color: #fff;
  box-shadow: 0 12px 24px rgba(74, 144, 226, 0.35);
}
.modal-submit:hover,
.modal-submit:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 18px 32px rgba(74, 144, 226, 0.45);
}
.modal-cancel {
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.85);
}
.modal-cancel:hover,
.modal-cancel:focus-visible {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.16);
}
.timer-fullscreen-only {
  display: none;
}
.timer-controls-disabled {
  opacity: 0.6;
  pointer-events: none;
}
button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}
.primary-btn:disabled,
.secondary-btn:disabled {
  box-shadow: none;
}
.preset-btn:disabled {
  opacity: 0.4;
  border-color: transparent;
}
input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
#timer-section.fullscreen-active {
  position: relative;
  width: 100vw;
  height: 100vh;
  max-width: none;
  border: none;
  background: #000;
  box-shadow: none;
  gap: clamp(1.5rem, 4vh, 3rem);
  justify-content: center;
  align-items: center;
  padding: calc(env(safe-area-inset-top, 0px) + 2rem) 1.5rem
    calc(env(safe-area-inset-bottom, 0px) + 6rem);
}
#timer-section.fullscreen-active .timer-fullscreen-hidden {
  display: none !important;
}
#timer-section.fullscreen-active .timer-fullscreen-only {
  display: flex;
}
#timer-section.fullscreen-active .timer-display-box {
  width: clamp(8rem, 18vw, 20rem);
}
#timer-section.fullscreen-active .timer-display-row {
  gap: clamp(2rem, 10vw, 8rem);
}
#timer-section.fullscreen-active .timer-value {
  background: transparent;
  font-size: clamp(5rem, 18vw, 20rem);
  padding: 0;
  line-height: 1;
  box-shadow: none;
}
#timer-section.fullscreen-active .timer-label {
  display: none;
}
#timer-section.fullscreen-active .fullscreen-control-bar {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(env(safe-area-inset-bottom, 0px) + 3.5rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(90vw, 28rem);
  pointer-events: none;
  z-index: 30;
}
#timer-section.fullscreen-active .fullscreen-control-bar > * {
  pointer-events: auto;
}
#timer-section.fullscreen-active .fullscreen-media-controls,
#timer-section.fullscreen-active .fullscreen-timer-control {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(0, 0, 0, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  padding: 0.55rem 0.75rem;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(18px);
}
#timer-section.fullscreen-active .fullscreen-timer-control {
  gap: 0.5rem;
}
.fullscreen-circle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(0, 0, 0, 0.95);
  transition: transform 0.15s ease, background 0.2s ease, box-shadow 0.2s ease,
    opacity 0.2s ease;
}
.fullscreen-circle-btn:hover {
  transform: translateY(-1px);
  background: rgba(20, 20, 20, 0.95);
  box-shadow: 0 12px 26px rgba(74, 144, 226, 0.35);
}
.fullscreen-circle-btn-primary {
  width: 2.6rem;
  height: 2.6rem;
  background: rgba(0, 0, 0, 0.98);
  color: #fff;
  box-shadow: 0 16px 34px rgba(74, 144, 226, 0.4);
}
.fullscreen-circle-btn-primary:hover {
  background: rgba(15, 15, 15, 0.98);
}
.fullscreen-skip-btn {
  display: none;
}
.fullscreen-media-controls:hover .fullscreen-skip-btn,
.fullscreen-media-controls:focus-within .fullscreen-skip-btn {
  display: inline-flex;
}
#timer-section.fullscreen-active
  .fullscreen-timer-control
  .fullscreen-circle-btn-primary {
  width: 2.6rem;
  height: 2.6rem;
}
body.fullscreen-timer {
  background: #000;
  background-image: none;
  overflow: hidden;
  padding-bottom: calc(env(safe-area-inset-bottom, 0px) + 5rem);
}
.animate-complete {
  animation: timerPulse 0.75s ease-in-out 2;
}
@keyframes timerPulse {
  0% {
    box-shadow: 0 0 0 rgba(74, 144, 226, 0);
  }
  50% {
    box-shadow: 0 0 35px rgba(74, 144, 226, 0.65);
  }
  100% {
    box-shadow: 0 0 0 rgba(74, 144, 226, 0);
  }
}
@media (max-width: 1024px) {
  body {
    padding-bottom: 2rem;
  }
  .timer-display-box {
    width: clamp(5.5rem, 32vw, 6.5rem);
  }
  #timer-section {
    padding: 1.75rem;
  }
  .add-track-form {
    padding: 0.75rem;
  }
}
@media (max-width: 640px) {
  body {
    padding: 1.5rem 0.75rem 3rem;
  }
  #timer-section {
    padding: 1.5rem 1.25rem;
  }
  #timer-section.fullscreen-active {
    gap: 1rem;
    padding: calc(env(safe-area-inset-top, 0px) + 1.5rem) 0.75rem
      calc(env(safe-area-inset-bottom, 0px) + 5rem);
  }
  #timer-section.fullscreen-active .timer-display-row {
    gap: 1rem;
  }
  #timer-section.fullscreen-active .timer-value {
    font-size: clamp(4rem, 22vw, 6rem);
  }
  .timer-display-row {
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
  }
  .timer-display-box {
    width: min(80vw, 12rem);
  }
  #timer-section.fullscreen-active .fullscreen-control-bar {
    width: calc(100% - 1.25rem);
    gap: 0.6rem;
  }
  #timer-section.fullscreen-active .fullscreen-media-controls,
  #timer-section.fullscreen-active .fullscreen-timer-control {
    gap: 0.35rem;
    padding: 0.45rem 0.55rem;
  }
  .fullscreen-circle-btn {
    width: 2.1rem;
    height: 2.1rem;
  }
  .fullscreen-circle-btn-primary,
  .fullscreen-timer-control .fullscreen-circle-btn-primary {
    width: 2.25rem;
    height: 2.25rem;
  }
  #timer-section.fullscreen-active
    .fullscreen-media-controls
    .fullscreen-skip-btn {
    display: inline-flex;
    opacity: 1;
    pointer-events: auto;
  }
}