/* ============================================
   EVE Textile Tools — Shared Styles
   ============================================ */

/* --- EVE Textile Brand Colors ---
   #920000  Dark Red (brand-dark)
   #d92b2c  Medium Red (brand)
   #f26f67  Light Red / Coral (brand-light)
   #f7e6bd  Cream
   #faf0d8  Light Cream
   #f9f2e2  Lighter Cream (light mode bg)
   #f7f7f7  Near White
   -------------------------------- */

/* --- Theme Variables --- */
[data-theme="dark"] {
  --color-bg: #111111;
  --color-surface: #1a1a1a;
  --color-surface-hover: #222222;
  --color-card: #2a2a2a;
  --color-input-bg: #252525;
  --color-border: #333333;
  --color-text: #f7f7f7;
  --color-text-secondary: #888888;
  --color-brand-dark: #920000;
  --color-brand: #d92b2c;
  --color-brand-light: #f26f67;
  --color-cream: #f7e6bd;
  --color-cream-light: #faf0d8;
  --color-primary: #d92b2c;
  --color-primary-hover: #f26f67;
  --color-primary-text: #ffffff;
  --color-shadow: rgba(0, 0, 0, 0.4);
  --color-focus-ring: rgba(217, 43, 44, 0.25);
}

[data-theme="light"] {
  --color-bg: #f9f2e2;
  --color-surface: #ffffff;
  --color-surface-hover: #f5f5f5;
  --color-card: #ffffff;
  --color-input-bg: #ffffff;
  --color-border: #e0d5c5;
  --color-text: #333333;
  --color-text-secondary: #888888;
  --color-brand-dark: #920000;
  --color-brand: #d92b2c;
  --color-brand-light: #f26f67;
  --color-cream: #f7e6bd;
  --color-cream-light: #faf0d8;
  --color-primary: #920000;
  --color-primary-hover: #d92b2c;
  --color-primary-text: #ffffff;
  --color-shadow: rgba(146, 0, 0, 0.08);
  --color-focus-ring: rgba(146, 0, 0, 0.15);
}

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

body {
  font-family: 'Overpass', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  line-height: 1.5;
  transition: background 0.2s, color 0.2s;
}

a {
  color: var(--color-brand-light);
  text-decoration: none;
}

a:hover {
  color: var(--color-brand);
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Page Header (for tools) --- */
.tool-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 960px;
  margin: 0 auto 24px;
  padding: 20px 0;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--color-brand-light);
  transition: color 0.15s;
}

.back-link:hover {
  color: var(--color-brand);
}

.tool-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 16px;
  color: var(--color-brand);
  letter-spacing: 3px;
}

/* --- Cards --- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 2px 8px var(--color-shadow);
  transition: background 0.2s, border-color 0.2s;
}

/* --- Section --- */
.section {
  background: var(--color-surface);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 16px;
}

.section-title {
  font-size: 11px;
  color: var(--color-brand-light);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 16px;
  font-weight: 600;
}

/* --- Forms --- */
.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}

.form-group .required {
  color: var(--color-brand);
}

.input {
  width: 100%;
  padding: 10px 14px;
  background: var(--color-input-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--color-text);
  outline: none;
  font-family: 'Overpass', sans-serif;
  transition: border-color 0.2s;
}

.input:focus {
  border-color: var(--color-brand);
}

.input::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.6;
}

.input-hint {
  font-size: 10px;
  color: var(--color-text-secondary);
  margin-top: 4px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-family: 'Overpass', sans-serif;
  transition: background 0.15s, transform 0.1s, box-shadow 0.2s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-brand-dark), var(--color-brand));
  color: var(--color-primary-text);
}

.btn-primary:hover {
  box-shadow: 0 4px 16px rgba(217, 43, 44, 0.3);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}

/* --- Theme Toggle --- */
.theme-toggle {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
  color: var(--color-text-secondary);
  font-size: 12px;
  transition: color 0.15s, border-color 0.15s;
}

.theme-toggle:hover {
  color: var(--color-text);
  border-color: var(--color-text-secondary);
}

[data-theme="dark"] .icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: inline; }
[data-theme="light"] .icon-sun { display: inline; }
[data-theme="light"] .icon-moon { display: none; }