/* ==========================================================================
   CLIQ LUXURY NEUROMORPHIC DESIGN SYSTEM
   Color Tokens: #e4e2dd (Base Cardstock) & #4b342f (Deep Espresso)
   Dual-source directional lighting:
     Light highlight: Top-Left (135deg light source)
     Warm ambient shadow: Bottom-Right
   ========================================================================== */

:root {
  /* Core Brand Colors */
  --color-base: #e4e2dd;
  --color-base-light: #eceae5;
  --color-base-dark: #d8d5ce;
  --color-espresso: #4b342f;
  --color-espresso-rich: #3b2824;
  --color-espresso-muted: rgba(75, 52, 47, 0.72);
  --color-espresso-faint: rgba(75, 52, 47, 0.42);
  --color-espresso-ghost: rgba(75, 52, 47, 0.12);
  
  /* Neuromorphic Shadows for #e4e2dd base */
  --nm-light: rgba(255, 255, 255, 0.95);
  --nm-light-mid: rgba(255, 255, 255, 0.75);
  --nm-dark: rgba(75, 52, 47, 0.12);
  --nm-dark-soft: rgba(75, 52, 47, 0.07);
  --nm-dark-deep: rgba(75, 52, 47, 0.18);
  --nm-dark-sharp: rgba(75, 52, 47, 0.05);

  /* Standard Neuromorphic Shadows */
  --shadow-flat: 0 0 0 transparent;
  --shadow-pill: 4px 4px 10px var(--nm-dark-soft), -4px -4px 10px var(--nm-light);
  --shadow-pill-hover: 6px 6px 14px var(--nm-dark), -6px -6px 14px var(--nm-light);
  --shadow-pill-active: inset 3px 3px 6px var(--nm-dark), inset -3px -3px 6px var(--nm-light);
  
  /* Physical 400gsm Card Extrusion (matching card.png) */
  --shadow-card: 14px 16px 32px rgba(75, 52, 47, 0.11), -12px -12px 28px rgba(255, 255, 255, 0.95), 1px 1px 3px rgba(75, 52, 47, 0.04);
  --shadow-card-hover: 18px 22px 42px rgba(75, 52, 47, 0.15), -14px -14px 34px rgba(255, 255, 255, 0.98);
  --shadow-card-subtle: 8px 10px 22px rgba(75, 52, 47, 0.08), -8px -8px 20px rgba(255, 255, 255, 0.9);
  
  /* Showcase Floating Stage (for preview.png box showcase) */
  --shadow-hero-box: 24px 28px 56px rgba(75, 52, 47, 0.14), -18px -18px 46px rgba(255, 255, 255, 0.95), 2px 2px 4px rgba(75, 52, 47, 0.05);

  /* Inset / Debossed (Carved slots, inputs, toggles, active states) */
  --shadow-inset: inset 3px 3px 7px rgba(75, 52, 47, 0.13), inset -3px -3px 7px rgba(255, 255, 255, 0.88);
  --shadow-inset-deep: inset 5px 5px 12px rgba(75, 52, 47, 0.16), inset -5px -5px 12px rgba(255, 255, 255, 0.92);
  --shadow-inset-subtle: inset 2px 2px 5px rgba(75, 52, 47, 0.08), inset -2px -2px 5px rgba(255, 255, 255, 0.8);

  /* Cliq1 Aliases & Shadow Variables */
  --bg-base: var(--color-base);
  --bg-base-light: var(--color-base-light);
  --color-espresso-alpha-70: var(--color-espresso-muted);
  --color-espresso-alpha-40: var(--color-espresso-faint);
  --color-espresso-alpha-10: var(--color-espresso-ghost);
  --neu-dark: var(--nm-dark);
  --neu-light: var(--nm-light);
  --neu-dark-bg: var(--color-espresso);
  --shadow-flat-sm: 3px 3px 8px var(--nm-dark), -3px -3px 8px var(--nm-light);
  --shadow-flat-md: 6px 6px 14px var(--nm-dark), -6px -6px 14px var(--nm-light);
  --shadow-flat-lg: 12px 14px 28px rgba(75, 52, 47, 0.12), -10px -10px 24px rgba(255, 255, 255, 0.95);
  --shadow-pressed-sm: inset 2px 2px 5px var(--nm-dark), inset -2px -2px 5px var(--nm-light);
  --shadow-pressed-md: inset 4px 4px 8px var(--nm-dark), inset -4px -4px 8px var(--nm-light);
  --shadow-dark-pressed: inset 3px 3px 6px rgba(22, 13, 11, 0.8), inset -3px -3px 6px rgba(118, 88, 81, 0.25);
  --shadow-dark-flat: 4px 4px 10px rgba(18, 10, 8, 0.6), -4px -4px 10px rgba(118, 88, 81, 0.2);
  --radius-full: 9999px;
  --transition-smooth: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
  --transition-bounce: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Dark Neuromorphism (for #4b342f espresso footer) */
  --dark-nm-light: rgba(118, 88, 81, 0.35);
  --dark-nm-dark: rgba(22, 13, 11, 0.7);
  --dark-shadow-card: 10px 12px 28px rgba(18, 10, 8, 0.8), -8px -8px 22px rgba(118, 88, 81, 0.25);
  --dark-shadow-inset: inset 3px 3px 7px rgba(15, 8, 7, 0.85), inset -3px -3px 7px rgba(118, 88, 81, 0.25);
  --dark-shadow-pill: 4px 4px 10px rgba(18, 10, 8, 0.6), -4px -4px 10px rgba(118, 88, 81, 0.2);
  --dark-shadow-pill-active: inset 2px 2px 5px rgba(15, 8, 7, 0.8), inset -2px -2px 5px rgba(118, 88, 81, 0.25);

  /* Typography */
  --font-display: 'Bristol', 'Canva Sans', Georgia, serif;
  --font-sans: 'Canva Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: var(--font-sans);

  /* Geometry */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 9999px;
  
  /* Transitions */
  --ease-tactile: cubic-bezier(0.25, 1, 0.5, 1);
  --duration-tactile: 0.28s;
}

/* ==========================================================================
   NEUROMORPHIC UTILITY CLASSES
   ========================================================================== */

/* Tactile Planes & Cards */
.nm-card {
  background-color: var(--color-base);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--duration-tactile) var(--ease-tactile),
              transform var(--duration-tactile) var(--ease-tactile);
  position: relative;
}

.nm-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.nm-card-subtle {
  background-color: var(--color-base);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card-subtle);
  transition: box-shadow var(--duration-tactile) var(--ease-tactile);
}

/* Tactile Inset Wells & Inputs */
.nm-inset {
  background-color: var(--color-base);
  box-shadow: var(--shadow-inset);
  border-radius: var(--radius-md);
  border: none;
  outline: none;
}

.nm-inset-deep {
  background-color: var(--color-base);
  box-shadow: var(--shadow-inset-deep);
  border-radius: var(--radius-md);
}

.nm-inset-pill {
  background-color: var(--color-base);
  box-shadow: var(--shadow-inset);
  border-radius: var(--radius-pill);
}

/* Tactile Buttons & Pills */
.nm-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background-color: var(--color-base);
  color: var(--color-espresso);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-pill);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--duration-tactile) var(--ease-tactile);
  user-select: none;
}

.nm-btn:hover {
  box-shadow: var(--shadow-pill-hover);
  transform: translateY(-1px);
  color: var(--color-espresso-rich);
}

.nm-btn:active, .nm-btn.active {
  box-shadow: var(--shadow-pill-active);
  transform: translateY(1px);
}

/* Primary High-Contrast Espresso Button with Tactile Glow */
.nm-btn-primary {
  background-color: var(--color-espresso);
  color: var(--color-base);
  box-shadow: 6px 8px 18px rgba(75, 52, 47, 0.28), -4px -4px 12px rgba(255, 255, 255, 0.85);
}

.nm-btn-primary:hover {
  background-color: var(--color-espresso-rich);
  color: #ffffff;
  box-shadow: 8px 12px 24px rgba(75, 52, 47, 0.35), -6px -6px 16px rgba(255, 255, 255, 0.95);
  transform: translateY(-2px);
}

.nm-btn-primary:active {
  box-shadow: inset 3px 3px 6px rgba(22, 13, 11, 0.6), inset -3px -3px 6px rgba(118, 88, 81, 0.3);
  transform: translateY(1px);
}

/* Debossed Inset Secondary Button */
.nm-btn-debossed {
  background-color: var(--color-base);
  color: var(--color-espresso);
  box-shadow: var(--shadow-inset);
}

.nm-btn-debossed:hover {
  box-shadow: inset 4px 4px 8px rgba(75, 52, 47, 0.16), inset -4px -4px 8px rgba(255, 255, 255, 0.95);
  color: var(--color-espresso-rich);
}

/* Tactile Icon Button (Circle) */
.nm-btn-circle {
  width: 46px;
  height: 46px;
  padding: 0;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-base);
  box-shadow: var(--shadow-pill);
  color: var(--color-espresso);
  border: none;
  cursor: pointer;
  transition: all var(--duration-tactile) var(--ease-tactile);
}

.nm-btn-circle:hover {
  box-shadow: var(--shadow-pill-hover);
  transform: translateY(-1px);
}

.nm-btn-circle:active, .nm-btn-circle.active {
  box-shadow: var(--shadow-pill-active);
  transform: translateY(1px);
}

/* Tactile Badges & Pills */
.nm-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-family: var(--font-sans);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-espresso-muted);
  background-color: var(--color-base);
  border-radius: var(--radius-pill);
  box-shadow: 2px 2px 6px var(--nm-dark-soft), -2px -2px 6px var(--nm-light);
}

.nm-badge-inset {
  box-shadow: inset 2px 2px 4px var(--nm-dark-soft), inset -2px -2px 4px var(--nm-light);
}

/* Embossed & Debossed Text Styling (matching card.png letterpress) */
.nm-text-embossed {
  color: var(--color-espresso);
  text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.8), -1px -1px 0 rgba(75, 52, 47, 0.15);
}

.nm-text-debossed {
  color: var(--color-espresso);
  text-shadow: -1px -1px 0 rgba(255, 255, 255, 0.7), 1px 1px 1px rgba(75, 52, 47, 0.2);
}

/* Fine Tactile Beveled Hairline (as seen on card.png vertical divider) */
.nm-divider-v {
  width: 1px;
  background-color: rgba(75, 52, 47, 0.14);
  box-shadow: 1px 0 0 rgba(255, 255, 255, 0.95);
}

.nm-divider-h {
  height: 1px;
  width: 100%;
  background-color: rgba(75, 52, 47, 0.14);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.95);
  border: none;
  margin: 24px 0;
}

/* ==========================================================================
   PROGRAMMATIC WAVE RELIEF PATTERN (Tribute to pat.JPG)
   Creates the horizontal undulating wave ripples with top highlight
   and soft bottom shadow, matching the sculpted plaster of pat.JPG.
   ========================================================================== */

.pat-wave-bg {
  background-color: var(--color-base);
  background-image: repeating-linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.85) 0px,
    rgba(255, 255, 255, 0.4) 6px,
    var(--color-base) 14px,
    rgba(75, 52, 47, 0.08) 22px,
    rgba(75, 52, 47, 0.12) 26px,
    rgba(255, 255, 255, 0.6) 28px
  );
  position: relative;
}

/* Procedural SVG Ripple Overlay */
.pat-wave-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.6;
}

/* Embossed Organic Waves (like bottom of card.png) */
.card-wavy-lines {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 70px;
  pointer-events: none;
  overflow: hidden;
}

.card-wavy-lines svg {
  width: 100%;
  height: 100%;
}

.card-wavy-lines path {
  fill: none;
  stroke: rgba(255, 255, 255, 0.85);
  stroke-width: 1.5;
  filter: drop-shadow(1px 2px 1px rgba(75, 52, 47, 0.12));
}

/* Tactile Cardstock Grain Simulation */
.cardstock-grain {
  position: relative;
}

.cardstock-grain::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml;base64,PHN2ZyB2aWV3Qm94PScwIDAgMjAwIDIwMCcgeG1sbnM9J2h0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnJz48ZmlsdGVyIGlkPSdub2lzZSc+PGZlVHVyYnVsZW5jZSB0eXBlPSdmcmFjdGFsTm9pc2UnIGJhc2VGcmVxdWVuY3k9JzAuOCcgbnVtT2N0YXZlcz0nMycgc3RpdGNoVGlsZXM9J3N0aXRjaCcvPjwvZmlsdGVyPjxyZWN0IHdpZHRoPScxMDAlJyBoZWlnaHQ9JzEwMCUnIGZpbHRlcj0ndXJsKCNub2lzZSknLz48L3N2Zz4=");
}

/* ==========================================================================
   DARK NEUROMORPHIC STYLES (#4b342f Espresso Ground)
   ========================================================================== */

.dark-ground {
  background-color: var(--color-espresso);
  color: var(--color-base);
}

.dark-ground .nm-card {
  background-color: var(--color-espresso);
  box-shadow: var(--dark-shadow-card);
}

.dark-ground .nm-inset {
  background-color: var(--color-espresso);
  box-shadow: var(--dark-shadow-inset);
  color: var(--color-base);
}

.dark-ground .nm-btn {
  background-color: var(--color-espresso);
  color: var(--color-base);
  box-shadow: var(--dark-shadow-pill);
}

.dark-ground .nm-btn:hover {
  box-shadow: 6px 6px 14px rgba(18, 10, 8, 0.8), -4px -4px 12px rgba(118, 88, 81, 0.35);
  color: #ffffff;
}

.dark-ground .nm-btn:active {
  box-shadow: var(--dark-shadow-pill-active);
}

.dark-ground .nm-divider-h {
  background-color: rgba(18, 10, 8, 0.8);
  box-shadow: 0 1px 0 rgba(118, 88, 81, 0.25);
}

/* ==========================================================================
   PROGRAMMATIC WAVE PANEL (from cliq1)
   ========================================================================== */
.programmatic-wave-panel {
  background-color: var(--color-base);
  background-image: 
    radial-gradient(ellipse at 50% 0%, rgba(255,255,255,0.6) 0%, transparent 70%),
    repeating-linear-gradient(
      180deg,
      transparent,
      transparent 22px,
      rgba(255, 255, 255, 0.5) 23px,
      rgba(75, 52, 47, 0.05) 24px,
      transparent 26px
    );
  position: relative;
}

/* ==========================================================================
   NAILSET & MICRO-SCULPTURE NAILS (from cliqbase3)
   ========================================================================== */
.nailset {
  background: #efece6;
  border-radius: 20px;
  padding: 22px 16px 18px;
  box-shadow: inset 5px 5px 10px #c6c1b4, inset -5px -5px 10px #ffffff;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  justify-items: center;
  position: relative;
  z-index: 2;
}

.nail {
  width: 100%;
  max-width: 46px;
  height: 74px;
  border-radius: 22px 22px 26px 26px / 28px 28px 30px 30px;
  box-shadow: inset -4px -5px 8px rgba(255,255,255,.9), inset 4px 5px 8px rgba(75,52,47,.22), 4px 6px 10px rgba(75,52,47,.25);
  position: relative;
  transition: transform 0.25s ease;
}

.nail:hover {
  transform: translateY(-3px) scale(1.04);
}

.nail::after {
  content: "";
  position: absolute;
  left: 8px;
  top: 8px;
  width: 8px;
  height: 28px;
  border-radius: 999px;
  background: linear-gradient(white, transparent);
  opacity: .7;
}

.river1 { background: linear-gradient(145deg, #d8cfc1, #b9aca0); }
.river2 { background: linear-gradient(145deg, #efede8, #cfc8bb); }
.river3 { background: linear-gradient(90deg, #d5c9b8 20%, #f3efe7 40%, #c3b6a4 60%, #e8e1d4 80%); }
.river4 { background: linear-gradient(145deg, #e6ded2, #c2b5a3); }
.river5 { background: linear-gradient(145deg, #cbbfae, #a99a89); }
.dune { background: repeating-linear-gradient(100deg, #e3d9c8 0 4px, #c8bba7 4px 6px, #f1ece2 6px 10px); }
.bone-glaze { background: linear-gradient(145deg, #f6f3ec, #d9d3c4); }

/* Floating Nail Palette Badge (from cliqbase3) */
.float {
  position: absolute;
  background: var(--color-base);
  border-radius: 20px;
  padding: 12px 14px;
  box-shadow: 8px 8px 18px #c2bdb0, -8px -8px 18px #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.7);
  font-size: 13px;
  z-index: 15;
}

.float.f2 {
  right: -10px;
  top: -16px;
  text-align: center;
}

.float .bristol {
  font-family: 'Bristol', cursive;
  font-size: 26px;
  line-height: 1;
  color: var(--color-espresso);
}

.dots {
  display: flex;
  gap: 6px;
  margin-top: 8px;
  justify-content: center;
}

.dots span {
  width: 24px;
  height: 32px;
  border-radius: 12px 12px 14px 14px;
  display: block;
  box-shadow: inset 2px 2px 4px rgba(0, 0, 0, 0.18), inset -2px -2px 4px rgba(255, 255, 255, 0.9), 2px 3px 6px rgba(75, 52, 47, 0.25);
}