/* ==========================================================================
   ZENITH CHRONO — Ultra Minimalist Aesthetics & Design System
   ========================================================================== */

/* Design Tokens & Theme Variables */
:root {
  --bg-color: #000000;
  --digit-color: #ffffff;
  --label-color: rgba(255, 255, 255, 0.42);
  --accent-color: #ffffff;
  --accent-glow: rgba(255, 255, 255, 0.15);
  
  --panel-bg: rgba(10, 10, 14, 0.94);
  --panel-border: rgba(255, 255, 255, 0.08);
  --panel-text: #f1f5f9;
  --panel-muted: #94a3b8;
  --input-bg: rgba(255, 255, 255, 0.05);
  --input-border: rgba(255, 255, 255, 0.12);
  --hover-bg: rgba(255, 255, 255, 0.08);
  --active-bg: rgba(255, 255, 255, 0.14);
  
  --font-family: 'Urbanist', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --digit-weight: 200;
  --label-weight: 400;
  
  --transition-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  --drawer-width: min(440px, 94vw);
}

/* Theme: Obsidian (Pitch Black — Match with Screenshot) */
body.theme-obsidian {
  --bg-color: #000000;
  --digit-color: #ffffff;
  --label-color: rgba(255, 255, 255, 0.42);
  --accent-color: #ffffff;
  --accent-glow: rgba(255, 255, 255, 0.2);
  background-color: #000000;
}

/* Theme: Deep Midnight */
body.theme-midnight {
  --bg-color: #040814;
  --digit-color: #e0f2fe;
  --label-color: rgba(186, 230, 253, 0.45);
  --accent-color: #38bdf8;
  --accent-glow: rgba(56, 189, 248, 0.25);
  --panel-bg: rgba(6, 12, 26, 0.95);
  background-color: #040814;
}

/* Theme: Matrix Emerald */
body.theme-emerald {
  --bg-color: #020d07;
  --digit-color: #ecfdf5;
  --label-color: rgba(167, 243, 208, 0.45);
  --accent-color: #10b981;
  --accent-glow: rgba(16, 185, 129, 0.25);
  --panel-bg: rgba(4, 18, 10, 0.95);
  background-color: #020d07;
}

/* Theme: Warm Amber */
body.theme-amber {
  --bg-color: #0c0902;
  --digit-color: #fffbeb;
  --label-color: rgba(253, 230, 138, 0.45);
  --accent-color: #f59e0b;
  --accent-glow: rgba(245, 158, 11, 0.25);
  --panel-bg: rgba(18, 13, 4, 0.95);
  background-color: #0c0902;
}

/* Theme: Cyber Violet */
body.theme-violet {
  --bg-color: #0a0314;
  --digit-color: #faf5ff;
  --label-color: rgba(233, 213, 255, 0.45);
  --accent-color: #c084fc;
  --accent-glow: rgba(192, 132, 252, 0.25);
  --panel-bg: rgba(14, 6, 26, 0.95);
  background-color: #0a0314;
}

/* Theme: Aurora Gradient */
body.theme-aurora {
  --bg-color: #060913;
  --digit-color: #ffffff;
  --label-color: rgba(255, 255, 255, 0.5);
  --accent-color: #6ee7b7;
  --accent-glow: rgba(110, 231, 183, 0.3);
  background: radial-gradient(circle at 20% 30%, #0d1f2d 0%, #050b14 60%, #020408 100%);
}

/* Font Variations */
body.font-urbanist { --font-family: 'Urbanist', sans-serif; --digit-weight: 200; }
body.font-inter { --font-family: 'Inter', sans-serif; --digit-weight: 100; }
body.font-montserrat { --font-family: 'Montserrat', sans-serif; --digit-weight: 100; }
body.font-mono { --font-family: 'JetBrains Mono', monospace; --digit-weight: 200; }
body.font-serif { --font-family: 'Cormorant Garamond', serif; --digit-weight: 300; }

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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-color);
  color: var(--digit-color);
  font-family: var(--font-family);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  user-select: none;
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* User Idle (Zen Mode Auto-hide) */
body.user-idle {
  cursor: none !important;
}
body.user-idle .bottom-status-bar,
body.user-idle .hover-peek-bar {
  opacity: 0 !important;
  pointer-events: none;
}

/* ==========================================================================
   MAIN VIEWPORT & DIGITS DISPLAY (MATCHING SCREENSHOT)
   ========================================================================== */

.timer-viewport {
  position: relative;
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2rem;
  z-index: 10;
}

/* Top Progress Bar */
.progress-bar-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: rgba(255, 255, 255, 0.05);
  z-index: 50;
  transition: opacity 0.3s ease;
}

.progress-bar-fill {
  height: 100%;
  width: 100%;
  background: var(--accent-color);
  box-shadow: 0 0 10px var(--accent-glow);
  transition: width 0.3s linear;
}

/* Optional Event Title Banner */
.event-title-banner {
  margin-bottom: clamp(1.5rem, 4vh, 3.5rem);
  text-align: center;
  animation: fadeInDown 0.6s ease;
}

.event-title-text {
  font-size: clamp(0.85rem, 1.8vw, 1.4rem);
  font-weight: 300;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--label-color);
  display: inline-block;
  padding: 0.4rem 1.2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Digits Grid Container */
.digits-container {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: clamp(1.8rem, 5.5vw, 6.5rem);
  width: 100%;
  max-width: 1400px;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  transition: opacity 0.2s ease, transform 0.15s ease;
}

.digits-container:hover {
  opacity: 0.94;
}

.digits-container:active {
  transform: scale(0.995);
}

/* Each Column (Digit + Label) — Fixed rock-solid width */
.digit-column {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: clamp(75px, 15vw, 240px);
  text-align: center;
}

.digit-column.hidden-col {
  display: none !important;
}

.digit-value-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  line-height: 1;
  width: 100%;
}

.digit-value {
  font-size: clamp(4.2rem, 13.5vw, 13rem);
  font-weight: var(--digit-weight);
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--digit-color);
  display: inline-block;
  text-align: center;
  font-variant-numeric: tabular-nums lining-nums;
  -webkit-font-feature-settings: "tnum" 1;
  -moz-font-feature-settings: "tnum" 1;
  font-feature-settings: "tnum" 1;
}

.digit-label {
  margin-top: clamp(1.2rem, 3.2vh, 2.8rem);
  font-size: clamp(0.7rem, 1.35vw, 1.15rem);
  font-weight: var(--label-weight);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--label-color);
  transition: color 0.3s ease;
}

/* Bottom Status Bar */
.bottom-status-bar {
  position: fixed;
  bottom: clamp(1.5rem, 4vh, 3rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  z-index: 40;
  transition: opacity 0.4s ease;
}

.status-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  backdrop-filter: blur(8px);
}

.status-pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px #22c55e;
  animation: pulseGlow 2s infinite ease-in-out;
}

.status-pulse.paused {
  background: #94a3b8;
  box-shadow: 0 0 8px #94a3b8;
  animation: none;
}

.status-text {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.75);
  text-transform: uppercase;
  font-weight: 500;
}

.hint-text {
  font-size: 0.74rem;
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: 0.05em;
}

.hint-text kbd {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  padding: 0.1rem 0.35rem;
  font-family: inherit;
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.8);
}

/* ==========================================================================
   LEFT EDGE HOVER TRIGGER & SLIDE-OUT DRAWER
   ========================================================================== */

/* Left Hover Detection Zone */
.left-hover-zone {
  position: fixed;
  top: 0;
  left: 0;
  width: 32px;
  height: 100vh;
  z-index: 900;
  cursor: pointer;
  display: flex;
  align-items: center;
}

.hover-peek-bar {
  position: absolute;
  left: 6px;
  width: 6px;
  height: 70px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
  opacity: 0.4;
  transform: translateX(-2px);
  transition: all 0.3s var(--transition-smooth);
}

.left-hover-zone:hover .hover-peek-bar {
  opacity: 1;
  background: rgba(255, 255, 255, 0.4);
  box-shadow: 0 0 15px var(--accent-glow);
  transform: translateX(2px) scaleY(1.1);
}

.peek-line {
  width: 2px;
  height: 14px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 2px;
}

.peek-dot {
  width: 3px;
  height: 3px;
  background: #ffffff;
  border-radius: 50%;
}

/* Settings Drawer */
.settings-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--drawer-width);
  height: 100vh;
  background: var(--panel-bg);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border-right: 1px solid var(--panel-border);
  box-shadow: 25px 0 60px rgba(0, 0, 0, 0.85), 0 0 1px rgba(255, 255, 255, 0.1);
  z-index: 1000;
  transform: translateX(-100%);
  transition: transform 0.38s var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.settings-drawer.open {
  transform: translateX(0);
}

/* Drawer Header */
.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.3rem 1.6rem;
  border-bottom: 1px solid var(--panel-border);
}

.brand-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-icon {
  color: #ffffff;
  filter: drop-shadow(0 0 8px var(--accent-glow));
}

.brand-title {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--panel-text);
}

.brand-badge {
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  padding: 0.1rem 0.4rem;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  color: var(--panel-muted);
}

.drawer-header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.icon-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--input-border);
  color: var(--panel-text);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.icon-btn:hover {
  background: var(--hover-bg);
  border-color: rgba(255, 255, 255, 0.3);
}

.icon-btn.active {
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--accent-color);
  color: #ffffff;
}

/* Drawer Scrollable Content */
.drawer-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 1.4rem 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
}

.drawer-content::-webkit-scrollbar {
  width: 5px;
}
.drawer-content::-webkit-scrollbar-track {
  background: transparent;
}
.drawer-content::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 10px;
}
.drawer-content::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Section Groups */
.section-group {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.group-title {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--panel-muted);
}

/* Mode Tabs — Modern 2x2 Segmented Nav */
.mode-tabs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.45rem;
  background: rgba(255, 255, 255, 0.025);
  padding: 0.4rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.mode-tab {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  gap: 0.6rem;
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  font-size: 0.78rem;
  font-family: inherit;
  font-weight: 400;
  color: var(--panel-muted);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  cursor: pointer;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.mode-tab .tab-icon {
  flex-shrink: 0;
  stroke: var(--panel-muted);
  transition: stroke 0.2s ease, transform 0.2s ease;
}

.mode-tab:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
}

.mode-tab:hover .tab-icon {
  stroke: #ffffff;
}

.mode-tab.active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.22);
  font-weight: 500;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.mode-tab.active .tab-icon {
  stroke: #ffffff;
  transform: scale(1.1);
}

/* Main Control Buttons */
.main-controls {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.main-controls .btn-primary {
  flex: 1;
}

.btn-icon-only {
  width: 44px;
  height: 44px;
  min-width: 44px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  flex-shrink: 0;
}

.btn-sm {
  padding: 0.4rem 0.8rem;
  font-size: 0.74rem;
  border-radius: 8px;
  gap: 0.4rem;
}

.btn {
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  padding: 0.72rem 1rem;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
}

.btn-primary {
  background: #ffffff;
  color: #000000;
  border: none;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(255, 255, 255, 0.18);
}

.btn-primary:hover {
  background: #f1f5f9;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.25);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--panel-text);
  border: 1px solid var(--input-border);
}

.btn-secondary:hover {
  background: var(--hover-bg);
  border-color: rgba(255, 255, 255, 0.25);
}

/* Quick Adjust Chips */
.quick-adjust-row {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.chip-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--panel-border);
  color: var(--panel-muted);
  font-family: inherit;
  font-size: 0.72rem;
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.chip-btn:hover {
  background: var(--hover-bg);
  border-color: rgba(255, 255, 255, 0.3);
  color: #ffffff;
}

/* Input Fields */
.input-wrap input {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 8px;
  padding: 0.7rem 0.9rem;
  color: #ffffff;
  font-family: inherit;
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.input-wrap input:focus {
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.08);
}

.input-wrap input::placeholder {
  color: rgba(255, 255, 255, 0.25);
}

/* Mode Specific Panels */
.mode-panel {
  display: none;
  flex-direction: column;
  gap: 1rem;
}

.mode-panel.active {
  display: flex;
  animation: fadeIn 0.3s ease;
}

/* Presets Grid */
.presets-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.45rem;
  margin-top: 0.5rem;
}

.preset-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--panel-border);
  color: var(--panel-muted);
  font-family: inherit;
  font-size: 0.74rem;
  padding: 0.55rem 0.65rem;
  border-radius: 6px;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s ease;
}

.preset-btn:hover {
  background: var(--hover-bg);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.25);
}

.preset-accent {
  border-color: rgba(255, 255, 255, 0.25);
  color: #ffffff;
  font-weight: 500;
}

/* Duration Inputs */
.duration-inputs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}

.duration-col {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  text-align: center;
}

.duration-col label {
  font-size: 0.65rem;
  color: var(--panel-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.duration-col input {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 8px;
  color: #ffffff;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  padding: 0.5rem 0.2rem;
  outline: none;
}

.duration-col input:focus {
  border-color: rgba(255, 255, 255, 0.4);
}

/* Pomodoro Specifics */
.pomodoro-phase-buttons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.4rem;
}

.phase-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--panel-border);
  color: var(--panel-muted);
  font-family: inherit;
  font-size: 0.72rem;
  padding: 0.55rem 0.3rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.phase-btn.active {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--accent-color);
  color: #ffffff;
  font-weight: 600;
}

.pomodoro-counter {
  font-size: 0.78rem;
  color: var(--panel-muted);
  text-align: center;
  padding: 0.5rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 6px;
}

.highlight-num {
  color: #ffffff;
  font-weight: 600;
}

/* Themes Options */
.theme-options, .font-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.4rem;
}

.theme-chip, .font-chip {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--panel-border);
  color: var(--panel-muted);
  font-family: inherit;
  font-size: 0.72rem;
  padding: 0.55rem 0.7rem;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
}

.theme-chip:hover, .font-chip:hover {
  background: var(--hover-bg);
  color: #ffffff;
}

.theme-chip.active, .font-chip.active {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.35);
  color: #ffffff;
  font-weight: 600;
}

.color-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot-obsidian { background: #000000; border: 1px solid #444; }
.dot-midnight { background: #38bdf8; }
.dot-emerald  { background: #10b981; }
.dot-amber    { background: #f59e0b; }
.dot-violet   { background: #c084fc; }
.dot-aurora   { background: linear-gradient(135deg, #10b981, #6366f1); }

/* Audio & Select Dropdowns */
.toggle-row {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.78rem;
  color: var(--panel-text);
}

.select-label-wrap {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--panel-muted);
}

.row-icon {
  stroke: var(--panel-muted);
}

.styled-select {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: #ffffff;
  font-family: inherit;
  font-size: 0.8rem;
  padding: 0.6rem 0.85rem;
  border-radius: 8px;
  outline: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.styled-select:focus {
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.1);
}

.styled-select option {
  background: #0f172a;
  color: #ffffff;
  padding: 0.5rem;
}

.slider-row {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.slider-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.74rem;
  color: var(--panel-muted);
}

input[type="range"] {
  accent-color: #ffffff;
  cursor: pointer;
}

/* Checkboxes */
.checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.78rem;
  color: var(--panel-text);
  cursor: pointer;
}

.checkbox-row input[type="checkbox"] {
  accent-color: #ffffff;
  width: 15px;
  height: 15px;
  cursor: pointer;
}

/* Grid Actions */
.action-buttons-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

/* Statistics Overview Card */
.stats-overview-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 0.75rem 0.6rem;
  text-align: center;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-label {
  font-size: 0.62rem;
  color: var(--panel-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-value {
  font-size: 1.05rem;
  font-weight: 600;
  color: #ffffff;
}

/* Drawer Footer & Shortcuts */
.drawer-footer {
  margin-top: auto;
  padding-top: 1.2rem;
  border-top: 1px solid var(--panel-border);
}

.shortcuts-title {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--panel-muted);
  margin-bottom: 0.5rem;
}

.shortcuts-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem;
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.45);
}

.shortcuts-list kbd {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 3px;
  padding: 0.05rem 0.3rem;
  color: #ffffff;
}

.mt-2 { margin-top: 0.5rem; }

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulseGlow {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.15); }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .digits-container {
    gap: 1.2rem;
  }
  .digit-column {
    min-width: 60px;
  }
  .settings-drawer {
    width: 100vw;
  }
  .bottom-status-bar {
    bottom: 1.2rem;
  }
  .hint-text {
    display: none;
  }
}

/* ==========================================================================
   DRAWER SUB-VIEWS (TIMER CONTROLS <-> SETTINGS CONFIG)
   ========================================================================== */

.drawer-subview {
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
  width: 100%;
  animation: fadeInSubview 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.settings-nav-header {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid var(--panel-border);
}

.back-to-timer-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.95rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--input-border);
  border-radius: 9px;
  color: var(--panel-text);
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.back-to-timer-btn:hover {
  background: var(--hover-bg);
  border-color: rgba(255, 255, 255, 0.25);
  color: #ffffff;
  transform: translateX(-2px);
}

/* ==========================================================================
   REMINDER TOAST NOTIFICATIONS (Subtle, elegant HUD alert)
   ========================================================================== */

.reminder-toast {
  position: fixed;
  top: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(-16px);
  background: rgba(18, 18, 22, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  color: #ffffff;
  padding: 0.65rem 1.3rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.7), 0 0 20px rgba(255, 255, 255, 0.04);
  z-index: 2000;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reminder-toast-icon {
  color: #60a5fa;
  flex-shrink: 0;
}