/* ==========================================================
   WISAXIS — BUTTON COMPONENTS (2026 SaaS Design System)
   Interactive triggers, primary gradients, sheen animations,
   glass buttons, tactile active states, and mobile ergonomics.
   ========================================================== */

/* ===== BASE BUTTON ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  padding: 0.7rem 1.35rem;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-normal);
  cursor: pointer;
  border: 1px solid transparent;
  transition:
    transform 0.2s var(--ease-spring),
    box-shadow 0.2s var(--ease-out-smooth),
    background 0.2s ease,
    border-color 0.2s ease,
    filter 0.2s ease;
  user-select: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn:active {
  transform: scale(0.96) !important;
}

/* ===== PRIMARY BUTTON ===== */
.btn-primary {
  background: var(--gradient-brand);
  color: #ffffff !important;
  box-shadow: 0 4px 16px var(--primary-glow);
  border: 1px solid rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
  font-weight: 700;
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transform: skewX(-20deg);
  transition: none;
  pointer-events: none;
}

.btn-primary:hover::after {
  left: 160%;
  transition: left 0.75s ease;
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.01);
  box-shadow: 0 8px 26px var(--primary-glow);
  filter: brightness(1.08);
}

/* ===== OUTLINE / GHOST BUTTON ===== */
.btn-outline,
.btn-ghost {
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  color: var(--text-main);
  backdrop-filter: blur(10px);
}

.btn-outline:hover,
.btn-ghost:hover {
  background: var(--surface-2);
  border-color: var(--border-strong);
  color: var(--text-main);
  transform: translateY(-1px);
}

html[data-theme="light"] .btn-outline,
html[data-theme="light"] .btn-ghost {
  background: #ffffff;
  border-color: var(--border-default);
  color: var(--text-main);
}

html[data-theme="light"] .btn-outline:hover,
html[data-theme="light"] .btn-ghost:hover {
  background: #f1f5f9;
  border-color: var(--border-strong);
}

/* ===== SECONDARY BUTTON ===== */
.btn-secondary {
  background: var(--secondary);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
  font-weight: 600;
}

.btn-secondary:hover {
  background: var(--success-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.45);
}

/* ===== DANGER BUTTON ===== */
.btn-danger {
  background: var(--danger-light);
  color: var(--danger);
  border-color: rgba(244, 63, 94, 0.25);
  font-weight: 600;
}

.btn-danger:hover {
  background: var(--danger);
  color: #ffffff;
  border-color: var(--danger);
  transform: translateY(-1px);
}

/* ===== CTA PRIMARY (Hero Call-to-Action) ===== */
.cta-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-decoration: none;
  background: var(--gradient-brand);
  color: #ffffff !important;
  padding: 0.95rem 2.2rem;
  border-radius: var(--radius-lg);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--text-md);
  letter-spacing: var(--tracking-tight);
  box-shadow: 0 8px 30px var(--primary-glow);
  border: 1px solid rgba(255, 255, 255, 0.22);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.cta-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transform: skewX(-20deg);
  transition: none;
}

.cta-primary:hover::after {
  left: 150%;
  transition: left 0.75s ease;
}

.cta-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 14px 40px var(--primary-glow);
  filter: brightness(1.06);
}

/* ===== CTA SECONDARY ===== */
.cta-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  background: var(--surface-card);
  color: var(--text-main);
  padding: 0.95rem 2rem;
  border-radius: var(--radius-lg);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-md);
  letter-spacing: var(--tracking-snug);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.25s ease;
}

.cta-secondary:hover {
  background: var(--surface-2);
  border-color: var(--primary);
  color: var(--text-main);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

html[data-theme="light"] .cta-secondary {
  background: #ffffff;
  border-color: var(--border-strong);
  color: var(--text-main);
  box-shadow: var(--shadow-xs);
}

html[data-theme="light"] .cta-secondary:hover {
  background: #f8fafc;
  border-color: var(--primary);
}

/* ===== AI SPARKLE BUTTONS (Wizard / Dashboard) ===== */
.ai-btn,
.ai-pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--gradient-brand-subtle);
  border: 1px solid rgba(14, 165, 233, 0.35);
  color: var(--primary);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  cursor: pointer;
  transition:
    transform 0.25s var(--ease-spring),
    background 0.25s ease,
    color 0.25s ease,
    box-shadow 0.25s ease,
    border-color 0.25s ease;
  position: relative;
  overflow: hidden;
}

.ai-btn::after,
.ai-pill-btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transform: skewX(-20deg);
  transition: none;
  pointer-events: none;
}

.ai-btn:hover::after,
.ai-pill-btn:hover::after {
  left: 160%;
  transition: left 0.65s ease;
}

.ai-btn:hover:not(:disabled),
.ai-pill-btn:hover:not(:disabled) {
  background: var(--gradient-brand);
  color: #ffffff;
  border-color: transparent;
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 4px 18px var(--primary-glow);
}

.ai-btn:disabled,
.ai-pill-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none !important;
}

html[data-theme="light"] .ai-btn,
html[data-theme="light"] .ai-pill-btn {
  background: var(--primary-light);
  border-color: rgba(4, 120, 87, 0.3);
  color: var(--primary);
}

html[data-theme="light"] .ai-btn:hover:not(:disabled),
html[data-theme="light"] .ai-pill-btn:hover:not(:disabled) {
  background: var(--gradient-brand);
  color: #ffffff;
}

/* ===== ADD & REMOVE BUTTONS (Repeater sections) ===== */
.add-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--success-light);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 8px 18px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all 0.2s var(--ease-spring);
}

.add-btn:hover {
  background: var(--success);
  color: #ffffff;
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.35);
}

.remove-btn {
  background: var(--danger-light);
  color: var(--danger);
  border: 1px solid rgba(244, 63, 94, 0.25);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--text-xs);
  cursor: pointer;
  transition: all 0.2s var(--ease-spring);
}

.remove-btn:hover {
  background: var(--danger);
  color: #ffffff;
  transform: translateY(-1px) scale(1.02);
  box-shadow: 0 4px 12px rgba(244, 63, 94, 0.3);
}

/* ===== WIZARD NAVIGATION BUTTONS ===== */
.btn-wizard {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: var(--tracking-snug);
  cursor: pointer;
  border: 1px solid var(--border-default);
  background: var(--surface-card);
  color: var(--text-main);
  transition:
    transform 0.22s var(--ease-spring),
    background 0.22s ease,
    border-color 0.22s ease,
    box-shadow 0.22s ease;
  user-select: none;
  position: relative;
  overflow: hidden;
}

.btn-wizard:hover {
  background: var(--surface-2);
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.btn-wizard.btn-prev {
  background: var(--surface-card);
  color: var(--text-secondary);
}

.btn-wizard.btn-prev:hover {
  background: var(--surface-2);
  color: var(--text-main);
  border-color: var(--border-strong);
}

.btn-wizard.btn-next,
.btn-wizard.btn-primary {
  background: var(--gradient-brand);
  color: #ffffff !important;
  border-color: transparent;
  box-shadow: 0 4px 16px var(--primary-glow);
  padding: 0.75rem 2.25rem;
}

.btn-wizard.btn-next::after,
.btn-wizard.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transform: skewX(-20deg);
  pointer-events: none;
}

.btn-wizard.btn-next:hover::after,
.btn-wizard.btn-primary:hover::after {
  left: 160%;
  transition: left 0.75s ease;
}

.btn-wizard.btn-next:hover,
.btn-wizard.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 24px var(--primary-glow);
  filter: brightness(1.08);
}

html[data-theme="light"] .btn-wizard.btn-prev {
  background: #ffffff;
  border-color: var(--border-default);
  color: var(--text-secondary);
}

html[data-theme="light"] .btn-wizard.btn-prev:hover {
  background: #f1f5f9;
  color: var(--text-main);
}

/* ===== DOWNLOAD BUTTON (Template shell / Resume viewer) ===== */
.download-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--border-strong);
  color: #ffffff;
  background: var(--shell-surface);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 700;
  transition:
    transform 0.25s var(--ease-spring),
    box-shadow 0.25s var(--ease-out-smooth),
    background 0.25s ease,
    border-color 0.25s ease;
  height: 52px;
  padding: 0 24px;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  position: relative;
  overflow: hidden;
}

.download-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 14px 35px var(--primary-glow);
}

html[data-theme="light"] .download-btn {
  background: #ffffff;
  color: var(--text-main);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
}

html[data-theme="light"] .download-btn:hover {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

/* Mobile download button */
@media screen and (max-width: 500px) {
  .download-btn {
    width: 100%;
    height: 52px;
    border-radius: var(--radius-lg);
  }
}

/* ===== MOBILE BUTTONS & TOUCH OPTIMIZATIONS ===== */
@media (max-width: 768px) {
  .btn {
    min-height: var(--touch-target-min, 44px);
    padding: 0.75rem 1.25rem;
  }

  .cta-primary,
  .cta-secondary {
    padding: 0.95rem 1.5rem;
    font-size: var(--text-base);
    width: 100%;
    min-height: 50px;
  }

  .add-btn {
    min-height: 38px;
    padding: 6px 14px;
  }

  .remove-btn {
    min-height: 34px;
    padding: 4px 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .ai-btn,
  .ai-pill-btn {
    min-height: 36px;
    padding: 6px 14px;
  }
}