/**
 * Icon System
 * Replaces emojis with clean SVG icons
 * Inspired by SF Symbols and minimalist iconography
 */

/* ─── Icon Base Styles ─────────────── */
.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25em;
  height: 1.25em;
  vertical-align: middle;
  fill: currentColor;
  flex-shrink: 0;
}

.icon-sm {
  width: 1em;
  height: 1em;
}

.icon-lg {
  width: 1.5em;
  height: 1.5em;
}

.icon-xl {
  width: 2em;
  height: 2em;
}

/* Icon colors */
.icon-red { color: var(--color-porsche-red); }
.icon-gold { color: var(--color-gold); }
.icon-white { color: var(--color-white); }
.icon-muted { color: var(--text-tertiary); }

/* ─── SVG Icon Definitions ─────────────── */

/* Logo Mark */
.icon-logo {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.5'%3E%3Ccircle cx='12' cy='12' r='10' opacity='0.3'/%3E%3Cpath d='M12 2 L12 22 M2 12 L22 12' stroke-width='1'/%3E%3Ccircle cx='12' cy='12' r='4' fill='currentColor' opacity='0.8'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  width: 24px;
  height: 24px;
  display: inline-block;
}

/* Calculate / Chart */
.icon-chart::before {
  content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpath d='M12 6v6l4 2'/%3E%3C/svg%3E");
  display: inline-block;
  vertical-align: middle;
}

/* Profile / User */
.icon-profile::before {
  content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M20 21v-2a4 4 0 0 0-4-4H8a4 4 0 0 0-4 4v2'/%3E%3Ccircle cx='12' cy='7' r='4'/%3E%3C/svg%3E");
  display: inline-block;
  vertical-align: middle;
}

/* Time / Rectify */
.icon-time::before {
  content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpolyline points='12 6 12 12 16 14'/%3E%3C/svg%3E");
  display: inline-block;
  vertical-align: middle;
}

/* Clusters / Group */
.icon-cluster::before {
  content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M17 21v-2a4 4 0 0 0-4-4H5a4 4 0 0 0-4 4v2'/%3E%3Ccircle cx='9' cy='7' r='4'/%3E%3Cpath d='M23 21v-2a4 4 0 0 0-3-3.87'/%3E%3Cpath d='M16 3.13a4 4 0 0 1 0 7.75'/%3E%3C/svg%3E");
  display: inline-block;
  vertical-align: middle;
}

/* SMS / Message */
.icon-sms::before {
  content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M21 15a2 2 0 0 1-2 2H7l-4 4V5a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2z'/%3E%3C/svg%3E");
  display: inline-block;
  vertical-align: middle;
}

/* Transit / Orbit */
.icon-transit::before {
  content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Ccircle cx='12' cy='12' r='6'/%3E%3Ccircle cx='12' cy='12' r='2' fill='currentColor'/%3E%3C/svg%3E");
  display: inline-block;
  vertical-align: middle;
}

/* Saved / Archive */
.icon-archive::before {
  content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M3 3h18v18H3zM9 9h6'/%3E%3C/svg%3E");
  display: inline-block;
  vertical-align: middle;
}

/* Energy / Lightning */
.icon-energy::before {
  content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round'%3E%3Cpolygon points='13 2 3 14 12 14 11 22 21 10 12 10 13 2'/%3E%3C/svg%3E");
  display: inline-block;
  vertical-align: middle;
}

/* Success / Check */
.icon-check::before {
  content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2.5' stroke-linecap='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  display: inline-block;
  vertical-align: middle;
}

/* Star / Featured */
.icon-star::before {
  content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round'%3E%3Cpolygon points='12 2 15.09 8.26 22 9.27 17 14.14 18.18 21.02 12 17.77 5.82 21.02 7 14.14 2 9.27 8.91 8.26 12 2'/%3E%3C/svg%3E");
  display: inline-block;
  vertical-align: middle;
}

/* Compass / Direction */
.icon-compass::before {
  content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpolygon points='16.24 7.76 14.12 14.12 7.76 16.24 9.88 9.88 16.24 7.76'/%3E%3C/svg%3E");
  display: inline-block;
  vertical-align: middle;
}

/* Target / Focus */
.icon-target::before {
  content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Ccircle cx='12' cy='12' r='6'/%3E%3Ccircle cx='12' cy='12' r='2'/%3E%3C/svg%3E");
  display: inline-block;
  vertical-align: middle;
}

/* Calendar */
.icon-calendar::before {
  content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round'%3E%3Crect x='3' y='4' width='18' height='18' rx='2' ry='2'/%3E%3Cline x1='16' y1='2' x2='16' y2='6'/%3E%3Cline x1='8' y1='2' x2='8' y2='6'/%3E%3Cline x1='3' y1='10' x2='21' y2='10'/%3E%3C/svg%3E");
  display: inline-block;
  vertical-align: middle;
}

/* Key */
.icon-key::before {
  content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M21 2l-2 2m-7.61 7.61a5.5 5.5 0 1 1-7.778 7.778 5.5 5.5 0 0 1 7.777-7.777zm0 0L15.5 7.5m0 0l3 3L22 7l-3-3m-3.5 3.5L19 4'/%3E%3C/svg%3E");
  display: inline-block;
  vertical-align: middle;
}

/* Numbers / Hash */
.icon-numbers::before {
  content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round'%3E%3Cline x1='4' y1='9' x2='20' y2='9'/%3E%3Cline x1='4' y1='15' x2='20' y2='15'/%3E%3Cline x1='10' y1='3' x2='8' y2='21'/%3E%3Cline x1='16' y1='3' x2='14' y2='21'/%3E%3C/svg%3E");
  display: inline-block;
  vertical-align: middle;
}

/* Sparkle / Magic */
.icon-sparkle::before {
  content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 3v3m0 12v3M3 12h3m12 0h3M6.5 6.5l2.121 2.121M15.379 15.379l2.121 2.121M6.5 17.5l2.121-2.121M15.379 8.621l2.121-2.121'/%3E%3C/svg%3E");
  display: inline-block;
  vertical-align: middle;
}

/* Fire / Forge */
.icon-fire::before {
  content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M8.5 14.5A2.5 2.5 0 0 0 11 12c0-1.38-.5-2-1-3-1.072-2.143-.224-4.054 2-6 .5 2.5 2 4.9 4 6.5 2 1.6 3 3.5 3 5.5a7 7 0 1 1-14 0c0-1.153.433-2.294 1-3a2.5 2.5 0 0 0 2.5 2.5z'/%3E%3C/svg%3E");
  display: inline-block;
  vertical-align: middle;
}

/* Light bulb / Ideas */
.icon-lightbulb::before {
  content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M9 18h6M10 22h4M15 8a3 3 0 1 0-6 0c0 2 3 4 3 4s3-2 3-4z'/%3E%3Cpath d='M12 2v2M17.66 4.34l-1.41 1.41M20 12h2M17.66 19.66l-1.41-1.41M4.34 19.66l1.41-1.41M2 12h2M4.34 4.34l1.41 1.41'/%3E%3C/svg%3E");
  display: inline-block;
  vertical-align: middle;
}

/* Partnership / Handshake */
.icon-partnership::before {
  content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M20.84 4.61a5.5 5.5 0 0 0-7.78 0L12 5.67l-1.06-1.06a5.5 5.5 0 0 0-7.78 7.78l1.06 1.06L12 21.23l7.78-7.78 1.06-1.06a5.5 5.5 0 0 0 0-7.78z'/%3E%3C/svg%3E");
  display: inline-block;
  vertical-align: middle;
}

/* Info / Help */
.icon-info::before {
  content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2.5' stroke-linecap='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cline x1='12' y1='16' x2='12' y2='12'/%3E%3Cline x1='12' y1='8' x2='12.01' y2='8'/%3E%3C/svg%3E");
  display: inline-block;
  vertical-align: middle;
  opacity: 0.6;
}

/* ─── Icon Utilities ─────────────── */

/* Inline icons with text */
.text-with-icon {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

/* Icon button */
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  background: transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease-out);
}

.icon-btn:hover {
  background: var(--bg-tertiary);
}

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

/* Icon with badge/notification */
.icon-badge {
  position: relative;
}

.icon-badge::after {
  content: '';
  position: absolute;
  top: -2px;
  right: -2px;
  width: 8px;
  height: 8px;
  background: var(--color-porsche-red);
  border-radius: 50%;
  border: 2px solid var(--bg-primary);
}