/* ==========================================================================
   1. RESET & VARIABLES
   ========================================================================== */
:root {
  --bg-color: #080808;
  --terminal-bg: rgba(13, 13, 13, 0.95);
  --text-primary: #ffffff;
  --text-secondary: #888888;
  --text-disabled: #333333;
  --accent-green: #22c55e;
  --accent-orange: #ffa500;
  --accent-blue: #3b82f6;
  --window-border: rgba(255, 255, 255, 0.1);

  --font-mono: "Space Mono", monospace;
  --font-sans: "Inter", sans-serif;

  --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ==========================================================================
   2. CUSTOM SCROLLBAR
   ========================================================================== */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-color);
  border-left: 1px solid rgba(255, 255, 255, 0.05);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 5px;
  border: 2px solid var(--bg-color);
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.15) var(--bg-color);
}

/* ==========================================================================
   3. BASE STYLES & LAYOUT
   ========================================================================== */
body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

.bg-glow {
  position: fixed;
  width: 50vw;
  height: 50vw;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.15;
  z-index: -1;
  pointer-events: none;
}
.glow-green {
  top: -10%;
  left: -10%;
  background: var(--accent-green);
}
.glow-blue {
  bottom: -10%;
  right: -10%;
  background: var(--accent-blue);
}

.container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 5vw, 3rem);
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

/* ==========================================================================
   4. UTILITIES & ANIMATIONS
   ========================================================================== */
.fade-wrapper {
  transition:
    opacity 0.4s var(--transition-smooth),
    transform 0.4s var(--transition-smooth);
  opacity: 1;
  transform: translateY(0);
}
.fade-wrapper.hidden-visually {
  opacity: 0;
  transform: translateY(5px);
  pointer-events: none;
}
.fade-wrapper.hidden-completely {
  display: none !important;
}

@keyframes windowAppear {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   5. TERMINAL COMPONENTS
   ========================================================================== */
.terminal-window {
  background: var(--terminal-bg);
  border: 1px solid var(--window-border);
  border-radius: 12px;
  width: 100%;
  max-width: 800px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow:
    0 25px 50px -12px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(255, 255, 255, 0.05) inset;
  backdrop-filter: blur(10px);
  opacity: 0;
  transform: translateY(20px);
  animation: windowAppear 0.8s var(--transition-smooth) forwards;
}

.terminal-header {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--window-border);
  flex-shrink: 0;
}
.window-controls {
  display: flex;
  gap: 8px;
}
.control {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.control.close {
  background-color: #ff5f56;
}
.control.minimize {
  background-color: #ffbd2e;
}
.control.maximize {
  background-color: #27c93f;
}

.window-title {
  flex: 1;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-right: 44px;
}

.terminal-body {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  font-family: var(--font-mono);
  font-size: clamp(0.875rem, 2vw, 1rem);
  line-height: 1.6;
  overflow-y: auto;
  flex: 1;
}

.command-line {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}
.prompt {
  color: var(--accent-green);
  font-weight: 700;
}
.command {
  color: var(--text-primary);
}
.text-secondary {
  color: var(--text-secondary);
}
.mt-2 {
  margin-top: 1.5rem;
}
.mt-4 {
  margin-top: 2.5rem;
}

.input-section {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 2rem;
  padding-left: 1rem;
}
.mode-selection {
  flex-direction: column;
}
.input-prefix {
  color: var(--accent-orange);
  margin-top: 0.2rem;
}

.custom-trigger-btn {
  background: transparent;
  border: none;
  color: var(--accent-blue);
  font-family: var(--font-mono);
  font-size: inherit;
  cursor: pointer;
  text-align: left;
  padding: 0.2rem 0;
  transition:
    color 0.3s ease,
    text-shadow 0.3s ease;
}
.custom-trigger-btn:hover {
  color: var(--text-primary);
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
}

/* Button states for Mode Selection */
.mode-btn {
  color: var(--text-primary);
}
.mode-btn.selected {
  color: var(--accent-green);
  text-shadow: 0 0 8px rgba(34, 197, 94, 0.4);
}
.mode-btn.dimmed {
  color: var(--text-disabled);
}

/* ==========================================================================
   6. GRID COMPONENTS (RESULTS)
   ========================================================================== */
.time-grid,
.totals-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
  padding-left: 1rem;
}
.time-grid {
  grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
}
.totals-grid {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  border-left: 2px solid rgba(255, 255, 255, 0.05);
}

.time-unit,
.total-unit {
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 1rem;
  border-radius: 8px;
  text-align: center;
  transition:
    transform 0.2s var(--transition-smooth),
    border-color 0.2s;
}
.totals-grid .total-unit {
  text-align: left;
  flex-direction: row;
  align-items: baseline;
  justify-content: space-between;
  padding: 0.75rem 1rem;
}
.time-unit:hover,
.total-unit:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.1);
}

.unit-value {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}
.totals-grid .unit-value {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--accent-blue);
}
.unit-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 0.25rem;
}
.totals-grid .unit-label {
  margin-top: 0;
}

/* ==========================================================================
   7. MODALS & CONTEXT MENU
   ========================================================================== */
.datepicker-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.datepicker-window {
  background: var(--bg-color);
  border: 1px solid var(--accent-green);
  border-radius: 8px;
  padding: 1.5rem;
  width: 90%;
  max-width: 380px;
  font-family: var(--font-mono);
  box-shadow: 0 0 30px rgba(34, 197, 94, 0.1);
}

.datepicker-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed var(--text-secondary);
}
.dp-selectors {
  display: flex;
  gap: 0.5rem;
}
.dp-select {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--window-border);
  color: var(--accent-orange);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  outline: none;
  cursor: pointer;
  font-weight: bold;
  transition: border-color 0.2s;
}
.dp-select:focus {
  border-color: var(--accent-green);
}
.dp-select option {
  background: var(--bg-color);
  color: var(--text-primary);
}
.dp-select option:disabled {
  color: var(--text-disabled);
}

.dp-nav-btn {
  background: transparent;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  font-family: inherit;
  font-size: 1.2rem;
  padding: 0 0.5rem;
  transition: color 0.2s;
}
.dp-nav-btn:hover:not(:disabled) {
  color: var(--accent-green);
}
.dp-nav-btn:disabled {
  color: var(--text-disabled);
  cursor: not-allowed;
}

.datepicker-days-header {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.8rem;
  margin-bottom: 0.5rem;
}
.datepicker-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  margin-bottom: 1.5rem;
}

.dp-day {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid transparent;
  padding: 0.5rem 0;
  text-align: center;
  cursor: pointer;
  border-radius: 4px;
  font-size: 0.9rem;
  transition: all 0.2s;
}
.dp-day:hover:not(.disabled) {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--window-border);
}
.dp-day.selected {
  background: var(--accent-blue);
  color: #fff;
  font-weight: bold;
  border-color: var(--accent-blue);
}
.dp-day.disabled {
  color: var(--text-disabled);
  background: transparent;
  cursor: not-allowed;
}
.dp-day.empty {
  background: transparent;
  cursor: default;
}

.datepicker-time {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}
.dp-time-input {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--window-border);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 1rem;
  width: 50px;
  text-align: center;
  padding: 0.3rem;
  border-radius: 4px;
  outline: none;
}
.dp-time-input:focus {
  border-color: var(--accent-orange);
}
.dp-time-input::-webkit-outer-spin-button,
.dp-time-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.dp-time-input[type="number"] {
  appearance: textfield;
  -moz-appearance: textfield;
}

.datepicker-actions {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}
.dp-action-btn {
  flex: 1;
  padding: 0.6rem;
  border: 1px solid var(--window-border);
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-mono);
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.2s;
}
.dp-action-btn:hover {
  background: rgba(255, 255, 255, 0.05);
}
.dp-action-btn.primary {
  border-color: var(--accent-green);
  color: var(--accent-green);
}
.dp-action-btn.primary:hover {
  background: rgba(34, 197, 94, 0.1);
}

.context-menu {
  position: fixed;
  background: var(--terminal-bg);
  border: 1px solid var(--window-border);
  border-radius: 6px;
  box-shadow:
    0 10px 30px rgba(0, 0, 0, 0.8),
    0 0 0 1px rgba(255, 255, 255, 0.05) inset;
  padding: 0.5rem 0;
  min-width: 220px;
  z-index: 9999;
  backdrop-filter: blur(15px);
  transform-origin: top left;
}
.context-menu-list {
  list-style: none;
}
.context-menu-item {
  padding: 0.6rem 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: all 0.2s ease;
}
.context-menu-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}
.menu-icon {
  color: var(--accent-orange);
  font-size: 0.8rem;
}

.system-footer {
  padding: 1rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}
.cursor {
  display: inline-block;
  width: 10px;
  animation: blink 1s step-end infinite;
}