/* Sleek Obsidian Linear Design System */
@import url('https://fonts.googleapis.com/css2?family=SF+Pro+Display:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg-canvas: #090a0e;
  --bg-gradient: radial-gradient(ellipse at 50% -10%, rgba(99, 102, 241, 0.12) 0%, rgba(9, 10, 14, 1) 75%);
  
  --glass-surface: rgba(255, 255, 255, 0.035);
  --glass-surface-hover: rgba(255, 255, 255, 0.07);
  --glass-surface-active: rgba(255, 255, 255, 0.12);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-light: rgba(255, 255, 255, 0.18);
  --glass-blur: blur(28px) saturate(180%);

  --color-text: #f8fafc;
  --color-text-secondary: #94a3b8;
  --color-text-tertiary: #64748b;
  
  --color-accent: #6366f1;
  --color-accent-hover: #4f46e5;
  --color-accent-glow: rgba(99, 102, 241, 0.25);

  --font-body: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;

  --shadow-glass: 0 16px 40px -8px rgba(0, 0, 0, 0.6);
  --ease-apple: cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  margin: 0;
  background: var(--bg-canvas);
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--color-text);
}
h1 { font-size: 24px; font-weight: 700; letter-spacing: -0.025em; }
h2 { font-size: 18px; font-weight: 600; }
h3 { font-size: 15px; font-weight: 600; }
h4 { font-size: 13px; font-weight: 600; }

a { color: #818cf8; text-decoration: none; transition: color 0.18s var(--ease-apple); }
a:hover { color: #a5b4fc; }

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

/* Glass Cards & Containers */
.glass-panel {
  background: rgba(22, 24, 34, 0.7);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glass);
  transition: all 0.2s var(--ease-apple);
}
.glass-panel:hover {
  border-color: var(--glass-border-light);
  transform: translateY(-1px);
}

/* Linear-Grade Sleek Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 13px;
  height: 34px;
  color: #e2e8f0;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  padding: 6px 14px;
  border-radius: var(--radius-md);
  transition: all 0.18s var(--ease-apple);
  outline: none;
  user-select: none;
}
.btn:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: var(--glass-border-light);
  color: #ffffff;
}

.btn-primary {
  background: #ffffff !important;
  color: #090a0f !important;
  border: 1px solid #ffffff !important;
  font-weight: 600 !important;
  box-shadow: 0 1px 3px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.8) !important;
}
.btn-primary:hover {
  background: #e2e8f0 !important;
  border-color: #e2e8f0 !important;
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #cbd5e1;
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.btn-ghost {
  background: transparent;
  border: 1px solid transparent;
  color: var(--color-text-secondary);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #ffffff;
}
  border-color: var(--glass-border-light);
  transform: translateY(-1px);
}
.btn:active { transform: translateY(0) scale(0.98); }

.btn-primary {
  background: var(--color-accent);
  color: #ffffff;
  border-color: var(--color-accent);
  box-shadow: 0 4px 16px var(--color-accent-glow);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  box-shadow: 0 6px 20px var(--color-accent-glow);
}

.btn-secondary {
  background: var(--glass-surface);
  border-color: var(--glass-border);
}

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--color-text-secondary);
}
.btn-ghost:hover {
  color: var(--color-text);
  background: var(--glass-surface);
}

/* Inputs */
.input {
  width: 100%;
  height: 38px;
  padding: 8px 14px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: all 0.2s var(--ease-apple);
}
.input:focus {
  border-color: var(--color-accent);
  background: rgba(255, 255, 255, 0.09);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}
textarea.input { min-height: 120px; padding: 12px; resize: vertical; }

/* Tags & Badges */
.tag {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 3px 10px;
  border-radius: 20px;
}
.tag-accent {
  background: rgba(255, 59, 48, 0.18);
  color: #ff6b60;
  border: 1px solid rgba(255, 59, 48, 0.35);
}
.tag-neutral {
  background: rgba(255, 255, 255, 0.09);
  color: var(--color-text-secondary);
  border: 1px solid var(--glass-border);
}
.tag-outline {
  border: 1px solid var(--glass-border-light);
  color: var(--color-text-secondary);
}

/* Tables */
.table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 14px;
}
.table th {
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-tertiary);
  padding: 10px 14px;
  border-bottom: 1px solid var(--glass-border);
}
.table td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.table tbody tr {
  transition: background 0.15s var(--ease-apple);
}
.table tbody tr:hover {
  background: rgba(255, 255, 255, 0.04);
}

/* Dialog Backdrop */
.dialog-backdrop {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(12, 14, 22, 0.25);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  overflow-y: auto;
  z-index: 1000;
}
.dialog {
  width: min(460px, 94vw);
  max-height: calc(100vh - 32px);
  overflow-y: auto;
  margin: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  border-radius: var(--radius-xl);
  background: rgba(20, 23, 34, 0.96);
  backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.55);
}
.dialog-title { font-size: 17px; font-weight: 700; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 8px; }