/**
 * VS AI ERP - Design System
 * Dark First + Glassmorphism
 */

/* ============================================================
   CSS 변수 정의
   ============================================================ */

:root {
  /* 배경 */
  --background: #0a0a0a;
  --foreground: #ededed;
  --card-background: rgba(17, 17, 17, 0.7);
  --card-border: rgba(255, 255, 255, 0.1);
  
  /* 브랜드 색상 */
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  
  /* 시맨틱 색상 */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
}

/* ============================================================
   기본 스타일
   ============================================================ */

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--background);
  color: var(--foreground);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================================
   글래스모피즘 (Glassmorphism)
   ============================================================ */

.glass {
  background: var(--card-background);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--card-border);
}

.glass-hover {
  transition: all 0.2s ease;
}

.glass-hover:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Tailwind 글래스 효과 클래스 */
.bg-glass {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ============================================================
   유틸리티 클래스
   ============================================================ */

/* 텍스트 줄임 */
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 그라데이션 텍스트 */
.gradient-text {
  background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   카드 스타일
   ============================================================ */

.card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1rem;
  transition: all 0.2s ease;
}

.card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

/* 딜 카드 */
.deal-card {
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.deal-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* ============================================================
   버튼 스타일
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  border-radius: 0.5rem;
  font-weight: 500;
  transition: all 0.2s ease;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--primary);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.3);
}

/* ============================================================
   입력 필드 스타일
   ============================================================ */

.input {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: white;
  transition: all 0.2s ease;
}

.input::placeholder {
  color: #6b7280;
}

.input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* ============================================================
   배지 스타일
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
}

.badge-success {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
}

.badge-warning {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
}

.badge-error {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
}

.badge-info {
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
}

.badge-neutral {
  background: rgba(107, 114, 128, 0.2);
  color: #9ca3af;
}

/* ============================================================
   모달 애니메이션
   ============================================================ */

.modal-overlay {
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.modal-content {
  animation: modal-in 0.3s ease-out;
}

@keyframes modal-in {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* ============================================================
   테이블 스타일
   ============================================================ */

.table-row {
  transition: background-color 0.15s ease;
}

.table-row:hover {
  background: rgba(255, 255, 255, 0.05);
}

/* ============================================================
   스크롤바 스타일
   ============================================================ */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* ============================================================
   애니메이션
   ============================================================ */

/* 페이드 인 */
.fade-in {
  animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 슬라이드 업 */
.slide-up {
  animation: slideUp 0.4s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 스피너 */
.spinner {
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-top: 2px solid var(--primary);
  border-radius: 50%;
  width: 24px;
  height: 24px;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* 펄스 */
.pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ============================================================
   캘린더 스타일
   ============================================================ */

.calendar-cell {
  transition: all 0.15s ease;
}

.calendar-cell:hover {
  background: rgba(255, 255, 255, 0.1);
}

.calendar-cell.today {
  background: rgba(59, 130, 246, 0.2);
  border-color: rgba(59, 130, 246, 0.5);
}

.calendar-cell.has-event {
  position: relative;
}

.calendar-cell.has-event::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
}

/* ============================================================
   반응형 스타일
   ============================================================ */

@media (max-width: 640px) {
  .deal-card:hover {
    transform: none;
  }
  
  .card:hover {
    transform: none;
  }
}

/* ============================================================
   Lucide 아이콘 스타일
   ============================================================ */

[data-lucide] {
  width: 1em;
  height: 1em;
  stroke-width: 2;
}

/* ============================================================
   토스트 알림
   ============================================================ */

.toast {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  padding: 1rem 1.5rem;
  border-radius: 0.75rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  animation: slideInRight 0.3s ease-out;
  z-index: 9999;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.toast-success {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.3);
  color: #34d399;
}

.toast-error {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
  color: #f87171;
}