/**
 * Common Styles - 키라시스터 주문 시스템
 */

/* CSS Variables - Light Beige Theme */
:root {
  --color-primary: #FF0050;
  --color-primary-hover: #e6004a;
  --color-secondary: #6366f1;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;

  --color-bg: #FAF6F1;
  --color-bg-dark: #F5EFE6;
  --color-bg-darker: #EDE4D8;
  --color-bg-card: #FFFFFF;
  --color-bg-input: rgba(0, 0, 0, 0.03);

  --color-text: #2D2A26;
  --color-text-muted: #6B6560;
  --color-text-dark: #1e293b;

  --color-border: rgba(0, 0, 0, 0.08);

  --color-kakao: #FEE500;
  --color-kakao-text: #000000;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);

  --transition: all 0.2s ease;

  /* Safe area for mobile */
  --safe-area-top: env(safe-area-inset-top, 0px);
  --safe-area-bottom: env(safe-area-inset-bottom, 0px);
  --safe-area-left: env(safe-area-inset-left, 0px);
  --safe-area-right: env(safe-area-inset-right, 0px);
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  padding-top: var(--safe-area-top);
  padding-bottom: var(--safe-area-bottom);
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

img {
  max-width: 100%;
  height: auto;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 246, 241, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 1rem;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.logo-badge {
  background: var(--color-primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius-sm);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--color-text);
}

.nav-link.logout:hover {
  color: var(--color-danger);
}

.user-name {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text);
  font-size: 0.875rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--color-bg-input);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

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

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

.btn-danger:hover {
  background: #dc2626;
}

.btn-kakao {
  background: var(--color-kakao);
  color: var(--color-kakao-text);
}

.btn-kakao:hover {
  background: #e6cf00;
}

.btn-icon {
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Forms */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}

.form-group .required {
  color: var(--color-danger);
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="password"],
.form-group input[type="email"],
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255, 0, 80, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}

.form-hint {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.input-with-prefix {
  display: flex;
  align-items: center;
}

.input-prefix {
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--color-border);
  border-right: none;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  color: var(--color-text-muted);
}

.input-with-prefix input {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 1.25rem;
  height: 1.25rem;
  accent-color: var(--color-primary);
}

.select {
  padding: 0.5rem 1rem;
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  cursor: pointer;
}

/* Main Content */
.main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 1rem;
}

/* Section */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 600;
}

.section-title i {
  color: var(--color-primary);
}

/* Loading */
.loading-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  color: var(--color-text-muted);
}

.loading-placeholder i {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--color-primary);
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  text-align: center;
  color: var(--color-text-muted);
}

.empty-state i {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-state p {
  margin-bottom: 1rem;
}

/* Connection Status */
.connection-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-warning);
  animation: pulse 2s infinite;
}

.connection-status.connected .status-dot {
  background: var(--color-success);
  animation: none;
}

.connection-status.disconnected .status-dot {
  background: var(--color-danger);
  animation: none;
}

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

/* Footer */
.footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  border-top: 1px solid var(--color-border);
  margin-top: 2rem;
}

.footer .version {
  margin-top: 0.25rem;
  opacity: 0.5;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal.active {
  display: flex;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.modal-header h3 {
  font-size: 1.125rem;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.25rem;
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--color-text);
}

.modal-content form {
  padding: 1.5rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  margin-top: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
  .header-container {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .nav {
    width: 100%;
    justify-content: flex-end;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* In-App Browser Detection */
body.in-app-browser {
  padding-top: calc(var(--safe-area-top) + 20px);
}

body.in-app-browser .header {
  top: 20px;
}