/* ==========================================
   Time to Minutes/Seconds Converter - CSS
   Neo-brutalism design with dark mode support
   ========================================== */

/* Global box-sizing */
.time-converter-container,
.time-converter-container *,
.time-converter-container *::before,
.time-converter-container *::after {
  box-sizing: border-box;
}

/* ==========================================
   CSS Variables - Light Mode (Default)
   ========================================== */
.time-converter-container {
  /* Background colors */
  --bg-primary: #f5f5f0;
  --bg-secondary: #fff;
  --bg-section: #fff;
  
  /* Borders */
  --border-color: #333;
  
  /* Text colors */
  --text-primary: #222;
  --text-secondary: #555;
  --text-light: #666;
  
  /* Brand colors */
  --color-accent: #3498db;
  --color-success: #27ae60;
  --color-warning: #f39c12;
  --color-danger: #e74c3c;
  --color-purple: #9b59b6;
  --color-teal: #1abc9c;
  
  /* Shadows (neobrutalism) */
  --shadow-sm: 2px 2px 0 rgba(0,0,0,0.1);
  --shadow-md: 4px 4px 0 rgba(0,0,0,0.15);
  --shadow-lg: 8px 8px 0 rgba(0,0,0,0.15);
  
  /* Border radius */
  --radius-container: 8px;
  --radius-section: 6px;
  --radius-button: 4px;
  --radius-input: 4px;
  
  /* Input focus */
  --input-focus-bg: #fffacd;
  
  /* Header title */
  --title-color: #2c3e50;
  --title-shadow: 2px 2px 0 rgba(255,255,255,0.5);
  
  /* Button hover background */
  --btn-hover-overlay: rgba(0,0,0,0.1);
  
  /* Copy button background */
  --copy-btn-bg: #fff;
  --copy-btn-hover-bg: #f0f0f0;
}

/* ==========================================
   Dark Mode - Manual Toggle (.dark class)
   ========================================== */
.time-converter-container.dark {
  /* Background colors */
  --bg-primary: #1a1a1a;
  --bg-secondary: #2d2d2d;
  --bg-section: #2d2d2d;
  
  /* Borders */
  --border-color: #e0e0e0;
  
  /* Text colors */
  --text-primary: #e8e8e8;
  --text-secondary: #b0b0b0;
  --text-light: #909090;
  
  /* Brand colors - brighter for dark background */
  --color-accent: #5dade2;
  --color-success: #52c77a;
  --color-warning: #f5b041;
  --color-danger: #ec7063;
  --color-purple: #af7ac5;
  --color-teal: #48d1cc;
  
  /* Shadows - light color */
  --shadow-sm: 2px 2px 0 rgba(255,255,255,0.08);
  --shadow-md: 4px 4px 0 rgba(255,255,255,0.12);
  --shadow-lg: 8px 8px 0 rgba(255,255,255,0.12);
  
  /* Input focus */
  --input-focus-bg: #3a3a3a;
  
  /* Header title */
  --title-color: #7fb3d5;
  --title-shadow: 2px 2px 0 rgba(0,0,0,0.5);
  
  /* Button hover background */
  --btn-hover-overlay: rgba(255,255,255,0.1);
  
  /* Copy button background */
  --copy-btn-bg: #3a3a3a;
  --copy-btn-hover-bg: #4a4a4a;
}

/* ==========================================
   System Dark Mode Auto Detection
   Applied when no manual setting (.dark/.light)
   ========================================== */
@media (prefers-color-scheme: dark) {
  .time-converter-container:not(.dark):not(.light) {
    /* Background colors */
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-section: #2d2d2d;
    
    /* Borders */
    --border-color: #e0e0e0;
    
    /* Text colors */
    --text-primary: #e8e8e8;
    --text-secondary: #b0b0b0;
    --text-light: #909090;
    
    /* Brand colors */
    --color-accent: #5dade2;
    --color-success: #52c77a;
    --color-warning: #f5b041;
    --color-danger: #ec7063;
    --color-purple: #af7ac5;
    --color-teal: #48d1cc;
    
    /* Shadows */
    --shadow-sm: 2px 2px 0 rgba(255,255,255,0.08);
    --shadow-md: 4px 4px 0 rgba(255,255,255,0.12);
    --shadow-lg: 8px 8px 0 rgba(255,255,255,0.12);
    
    /* Input focus */
    --input-focus-bg: #3a3a3a;
    
    /* Header title */
    --title-color: #7fb3d5;
    --title-shadow: 2px 2px 0 rgba(0,0,0,0.5);
    
    /* Button hover background */
    --btn-hover-overlay: rgba(255,255,255,0.1);
    
    /* Copy button background */
    --copy-btn-bg: #3a3a3a;
    --copy-btn-hover-bg: #4a4a4a;
  }
}

/* ==========================================
   Main Container
   ========================================== */
.time-converter-container {
  position: relative;
  max-width: 900px;
  width: 100%;
  margin: 8px auto;
  padding: 8px;
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-container);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Malgun Gothic', sans-serif;
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  line-height: 1.5;
}

/* ==========================================
   Dark Mode Toggle Button
   ========================================== */
.dark-mode-toggle {
  position: absolute;
  top: 15px;
  right: 15px;
  padding: 6px 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-button);
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 2px 2px 0 rgba(0,0,0,0.15);
  font-size: 17.5px;
  font-weight: 600;
  color: var(--text-primary);
  z-index: 10;
}

.time-converter-container.dark .dark-mode-toggle,
.time-converter-container:not(.dark):not(.light) .dark-mode-toggle {
  box-shadow: 2px 2px 0 rgba(255,255,255,0.1);
}

@media (prefers-color-scheme: dark) {
  .time-converter-container:not(.dark):not(.light) .dark-mode-toggle {
    box-shadow: 2px 2px 0 rgba(255,255,255,0.1);
  }
}

.dark-mode-toggle:hover {
  transform: translate(0.5px, 0.5px);
  box-shadow: 1.5px 1.5px 0 rgba(0,0,0,0.15);
}

.dark-mode-toggle:active {
  transform: translate(2px, 2px);
  box-shadow: none;
}

/* ==========================================
   Header
   ========================================== */
.tool-header {
  text-align: center;
  margin-bottom: 12px;
  padding: 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-section);
}

.tool-header h2 {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 0 0 6px 0;
  font-size: 22px;
  font-weight: 700;
  color: var(--title-color);
  text-shadow: var(--title-shadow);
}

.tool-header h2 svg {
  flex-shrink: 0;
}

.tool-description {
  margin: 0;
  font-size: 15px;
  color: var(--text-secondary);
}

/* ==========================================
   Main Grid Layout (2-column)
   ========================================== */
.main-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

/* ==========================================
   Input Section
   ========================================== */
.input-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-section);
  padding: 12px;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

.section-title svg {
  flex-shrink: 0;
  color: var(--color-accent);
}

/* Input groups */
.input-group {
  margin-bottom: 12px;
}

.input-group label {
  display: block;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.input-group input {
  width: 100%;
  padding: 10px 12px;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-input);
  transition: all 0.2s;
}

.input-group input:focus {
  outline: none;
  background: var(--input-focus-bg);
  box-shadow: var(--shadow-sm);
}

.input-group input::placeholder {
  color: var(--text-light);
}

/* Button group */
.button-group {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 16px;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  border-radius: var(--radius-button);
  cursor: pointer;
  transition: all 0.15s;
}

.btn svg {
  flex-shrink: 0;
}

.btn-primary {
  background: var(--color-accent);
  border: 1.5px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translate(1px, 1px);
  box-shadow: 3px 3px 0 rgba(0,0,0,0.15);
}

.btn-primary:active {
  transform: translate(2px, 2px);
  box-shadow: none;
}

.btn-reset {
  background: var(--color-warning);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.btn-reset:hover {
  transform: translate(0.5px, 0.5px);
  box-shadow: 1.5px 1.5px 0 rgba(0,0,0,0.1);
}

.btn-reset:active {
  transform: translate(2px, 2px);
  box-shadow: none;
}

/* ==========================================
   Result Section
   ========================================== */
.result-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-section);
  padding: 12px;
}

/* Result cards */
.result-card {
  position: relative;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-section);
  padding: 10px 12px;
  margin-bottom: 8px;
}

.result-card:last-child {
  margin-bottom: 0;
}

.result-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.result-value {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.result-value.highlight {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-accent);
}

.result-value.highlight-large {
  font-size: 26px;
  font-weight: 700;
  color: var(--color-success);
}

.result-detail {
  font-size: 14px;
  color: var(--text-light);
  margin-top: 2px;
}

/* Copy button */
.copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 6px 8px;
  background: var(--copy-btn-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-button);
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text-secondary);
}

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

.copy-btn:active {
  transform: scale(0.95);
}

/* Original time card */
.original-time {
  border-left: 3px solid var(--color-purple);
}

/* Total minutes card */
.total-minutes {
  border-left: 3px solid var(--color-accent);
}

/* Total seconds card */
.total-seconds {
  border-left: 3px solid var(--color-success);
}

/* Breakdown card */
.breakdown {
  border-left: 3px solid var(--color-teal);
}

.breakdown-content {
  font-size: 14px;
}

.breakdown-item {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  border-bottom: 1px dashed var(--border-color);
}

.breakdown-item:last-child {
  border-bottom: none;
}

.breakdown-item.total {
  margin-top: 4px;
  padding-top: 8px;
  border-top: 1px solid var(--border-color);
  border-bottom: none;
  font-weight: 600;
}

.breakdown-label {
  color: var(--text-secondary);
}

.breakdown-value {
  color: var(--text-primary);
  font-weight: 500;
}

/* ==========================================
   Toast Notification
   ========================================== */
.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  padding: 12px 24px;
  background: var(--text-primary);
  color: var(--bg-primary);
  border-radius: var(--radius-button);
  font-size: 15px;
  font-weight: 500;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1000;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  visibility: visible;
}

/* ==========================================
   Responsive Design
   ========================================== */
@media (max-width: 768px) {
  .main-grid {
    grid-template-columns: 1fr;
  }
  
  .tool-header h2 {
    font-size: 20px;
  }
  
  .dark-mode-toggle {
    top: 8px;
    right: 8px;
    padding: 5px 8px;
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .time-converter-container {
    margin: 4px;
    padding: 6px;
  }
  
  .tool-header {
    padding: 10px;
  }
  
  .tool-header h2 {
    font-size: 18px;
  }
  
  .tool-description {
    font-size: 14px;
  }
  
  .input-section,
  .result-section {
    padding: 10px;
  }
  
  .section-title {
    font-size: 16px;
  }
  
  .input-group input {
    padding: 8px 10px;
    font-size: 16px;
  }
  
  .btn {
    padding: 10px 12px;
    font-size: 15px;
  }
  
  .result-value.highlight {
    font-size: 20px;
  }
  
  .result-value.highlight-large {
    font-size: 22px;
  }
  
  .button-group {
    flex-direction: column;
  }
}