/* DexoCard Unified Button System - iOS Modern Style */
/* Usage: .dex-btn + .dex-btn-{variant} + .dex-btn-{size} */

:root {
  --btn-primary: var(--primary-color);
  --btn-primary-light: #4a5a8a;
  --btn-success: var(--success-color);
  --btn-success-light: #34ce57;
  --btn-danger: var(--danger-color);
  --btn-danger-light: #e86070;
  --btn-warning: #ffc107;
  --btn-warning-dark: #d1ad1c;
  --btn-secondary: #6c757d;
  --btn-secondary-dark: #515154;
  --btn-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --btn-radius: 12px;
  --btn-radius-sm: 8px;
  --btn-radius-lg: 14px;
}

/* Base button */
.dex-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--btn-radius);
  font-family:
    "Lato",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    sans-serif;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all var(--btn-transition);
  position: relative;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  letter-spacing: -0.2px;
  box-shadow:
    0 2px 8px rgba(0, 0, 0, 0.08),
    0 1px 2px rgba(0, 0, 0, 0.04);
}

.dex-btn:hover {
  transform: translateY(-1px);
  box-shadow:
    0 4px 16px rgba(0, 0, 0, 0.12),
    0 2px 4px rgba(0, 0, 0, 0.06);
}

.dex-btn:active {
  transform: translateY(0);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.dex-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

/* Primary variant */
.dex-btn-primary {
  background: linear-gradient(
    135deg,
    var(--btn-primary) 0%,
    var(--btn-primary-light) 100%
  );
  color: #fff;
}

.dex-btn-primary:hover {
  background: linear-gradient(135deg, #2a354e 0%, var(--btn-primary) 100%);
  box-shadow:
    0 4px 20px rgba(52, 67, 98, 0.4),
    0 2px 6px rgba(52, 67, 98, 0.2);
}

.dex-btn-primary:active {
  box-shadow: 0 2px 10px rgba(52, 67, 98, 0.3);
}

/* Success variant */
.dex-btn-success {
  background: linear-gradient(
    135deg,
    var(--btn-success) 0%,
    var(--btn-success-light) 100%
  );
  color: #fff;
}

.dex-btn-success:hover {
  background: linear-gradient(135deg, #1e7e34 0%, var(--btn-success) 100%);
  box-shadow:
    0 4px 16px rgba(40, 167, 69, 0.35),
    0 2px 6px rgba(40, 167, 69, 0.2);
}

.dex-btn-success:active {
  box-shadow: 0 2px 10px rgba(40, 167, 69, 0.25);
}

/* Secondary variant */
.dex-btn-secondary {
  background: linear-gradient(135deg, var(--btn-secondary) 0%, #7d8a96 100%);
  color: #fff;
}

.dex-btn-secondary:hover {
  background: linear-gradient(
    135deg,
    var(--btn-secondary-dark) 0%,
    var(--btn-secondary) 100%
  );
  box-shadow:
    0 4px 16px rgba(108, 117, 125, 0.35),
    0 2px 6px rgba(108, 117, 125, 0.2);
}

.dex-btn-secondary:active {
  box-shadow: 0 2px 10px rgba(108, 117, 125, 0.25);
}

/* Light variant */
.dex-btn-light {
  background: rgba(248, 249, 250, 0.95);
  color: var(--text-tertiary);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.dex-btn-light:hover {
  background: #e9ecef;
  box-shadow: 0 4px 12px rgba(248, 249, 250, 0.3);
}

/* Icon button - square/circle */
.dex-btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: 12px;
  gap: 0;
}

/* Full width button */
.dex-btn-block {
  width: 100%;
  max-width: none;
}

/* Button with icon - SVG support */
.dex-btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.dex-btn-lg svg {
  width: 20px;
  height: 20px;
}

/* Ripple effect for touch */
.dex-btn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  opacity: 0;
}

.dex-btn:active::before {
  width: 200px;
  height: 200px;
  opacity: 0.2;
  transition:
    width 0.3s,
    height 0.3s,
    opacity 0.3s;
}

/* Disabled ripple */
.dex-btn:disabled::before {
  display: none;
}

/* Mobile responsive */
@media (max-width: 768px) {
  .dex-btn {
    min-height: 44px;
    padding: 12px 20px;
  }

  .dex-btn-lg {
    min-height: 52px;
    padding: 16px 28px;
  }

  .dex-btn-xl {
    min-height: 56px;
    padding: 18px 32px;
  }
}