/* ============================================================
   미르경량철골 관리자 대시보드 스타일시트 (admin.css)
============================================================ */

:root {
  --admin-bg: #f5f6f8;
  --admin-card-bg: #ffffff;
  --admin-fg: #1e293b;
  --admin-muted: #64748b;
  --admin-border: #e2e8f0;
  --admin-accent: #a35d3a;
  --admin-accent-hover: #8c4c2d;
  --admin-accent-light: #fdf5f0;
  --admin-primary: #1e3a5f;
  --admin-primary-hover: #142842;
  --admin-danger: #ef4444;
  --admin-danger-light: #fef2f2;
  --admin-success: #10b981;
  --admin-success-light: #ecfdf5;
  --admin-warning: #f59e0b;
  --admin-warning-light: #fffbeb;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
  --font-sans: "Pretendard Variable", Pretendard, -apple-system, sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--admin-bg);
  color: var(--admin-fg);
  line-height: 1.5;
  font-size: 15px;
}

/* ============================================================
   1. LOGIN OVERLAY
============================================================ */
.login-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.login-overlay.is-hidden {
  display: none;
}

.login-box {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
  text-align: center;
  border: 1px solid var(--admin-border);
}

.login-logo {
  height: 56px;
  margin: 0 auto 1.2rem;
  display: block;
}

.login-title {
  margin: 0 0 0.5rem;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--admin-primary);
}

.login-desc {
  margin: 0 0 1.8rem;
  font-size: 0.88rem;
  color: var(--admin-muted);
}

.login-input {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1.5px solid var(--admin-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  text-align: center;
  margin-bottom: 1rem;
  transition: border-color 0.15s ease;
}

.login-input:focus {
  outline: none;
  border-color: var(--admin-accent);
}

.login-btn {
  width: 100%;
  padding: 0.85rem;
  background: var(--admin-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s ease;
}

.login-btn:hover {
  background: var(--admin-accent-hover);
}

.login-error {
  margin-top: 0.8rem;
  color: var(--admin-danger);
  font-size: 0.86rem;
  font-weight: 600;
  min-height: 1.2rem;
}

/* ============================================================
   2. MAIN ADMIN LAYOUT
============================================================ */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
  width: 250px;
  background: #ffffff;
  border-right: 1px solid var(--admin-border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-header {
  padding: 1.4rem 1.2rem;
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.sidebar-logo {
  height: 40px;
  width: auto;
}

.sidebar-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--admin-fg);
  line-height: 1.2;
}

.sidebar-nav {
  padding: 1.2rem 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex-grow: 1;
}

.sidebar-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--admin-muted);
  border: none;
  background: transparent;
  cursor: pointer;
  text-align: left;
  width: 100%;
  transition: all 0.15s ease;
  position: relative;
}

.sidebar-btn:hover {
  background: var(--admin-bg);
  color: var(--admin-fg);
}

.sidebar-btn.is-active {
  background: var(--admin-accent-light);
  color: var(--admin-accent);
  font-weight: 700;
}

.sidebar-badge {
  margin-left: auto;
  background: var(--admin-danger);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.sidebar-footer {
  padding: 1rem 1.2rem;
  border-top: 1px solid var(--admin-border);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--admin-muted);
  text-decoration: none;
  cursor: pointer;
  border: none;
  background: none;
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

.btn-ghost:hover {
  background: var(--admin-bg);
  color: var(--admin-fg);
}

/* Content Area */
.admin-main {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.admin-topbar {
  background: #ffffff;
  border-bottom: 1px solid var(--admin-border);
  padding: 1rem 1.8rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.admin-topbar-title {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 800;
}

.admin-topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.admin-content {
  padding: 1.8rem;
  flex-grow: 1;
}

/* ============================================================
   3. STATS CARDS & CONTROLS
============================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
  margin-bottom: 1.8rem;
}

.stat-card {
  background: var(--admin-card-bg);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-md);
  padding: 1.3rem 1.4rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.stat-card-title {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--admin-muted);
  margin-bottom: 0.4rem;
}

.stat-card-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--admin-fg);
}

.stat-card-num.is-accent {
  color: var(--admin-accent);
}

.stat-card-num.is-success {
  color: var(--admin-success);
}

/* Section Box */
.content-box {
  background: var(--admin-card-bg);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin-bottom: 2rem;
}

.content-box-header {
  padding: 1.2rem 1.5rem;
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.content-box-title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 800;
}

.content-box-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

/* Action Buttons */
.btn-action-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--admin-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.55rem 1rem;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s ease;
}

.btn-action-primary:hover {
  background: var(--admin-accent-hover);
}

.btn-action-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: #ffffff;
  color: var(--admin-fg);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.9rem;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-action-secondary:hover {
  background: var(--admin-bg);
  border-color: #cbd5e1;
}

/* ============================================================
   4. DATA TABLES (견적문의 & 시공사례 목록)
============================================================ */
.table-wrap {
  width: 100%;
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

.admin-table th {
  background: #f8fafc;
  padding: 0.85rem 1rem;
  color: var(--admin-muted);
  font-weight: 700;
  border-bottom: 1px solid var(--admin-border);
  white-space: nowrap;
}

.admin-table td {
  padding: 1rem 1rem;
  border-bottom: 1px solid var(--admin-border);
  vertical-align: middle;
}

.admin-table tr:hover td {
  background: #fcfcfd;
}

/* Status Badges */
.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  white-space: nowrap;
}

.badge-status.is-new {
  background: var(--admin-danger-light);
  color: var(--admin-danger);
  border: 1px solid #fecaca;
}

.badge-status.is-done {
  background: var(--admin-success-light);
  color: var(--admin-success);
  border: 1px solid #a7f3d0;
}

.badge-status.is-hold {
  background: var(--admin-warning-light);
  color: var(--admin-warning);
  border: 1px solid #fde68a;
}

/* Table Actions */
.table-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-table-sm {
  padding: 0.35rem 0.65rem;
  font-size: 0.82rem;
  border-radius: 4px;
  border: 1px solid var(--admin-border);
  background: #fff;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-table-sm:hover {
  background: #f1f5f9;
}

.btn-table-sm.is-danger {
  color: var(--admin-danger);
  border-color: #fecaca;
}

.btn-table-sm.is-danger:hover {
  background: var(--admin-danger-light);
}

/* ============================================================
   5. WORK MODAL & 5-PHOTO UPLOAD UI
============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(6px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.modal-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.admin-modal {
  background: #ffffff;
  border-radius: var(--radius-lg);
  max-width: 680px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
}

.admin-modal-header {
  padding: 1.2rem 1.6rem;
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-modal-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 800;
}

.admin-modal-close {
  font-size: 1.4rem;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--admin-muted);
}

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

.admin-modal-body {
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.admin-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.admin-field label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--admin-fg);
}

.admin-field label em {
  font-style: normal;
  font-weight: 500;
  color: var(--admin-muted);
  font-size: 0.8rem;
}

.admin-field input,
.admin-field select,
.admin-field textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-sm);
  font: inherit;
  font-size: 0.94rem;
}

.admin-field textarea {
  resize: vertical;
}

.admin-field input:focus,
.admin-field select:focus,
.admin-field textarea:focus {
  outline: 2px solid var(--admin-accent-light);
  border-color: var(--admin-accent);
}

/* 5-Photo Upload Grid */
.photo-uploader {
  border: 1.5px dashed var(--admin-border);
  border-radius: var(--radius-md);
  padding: 1.2rem;
  background: #f8fafc;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.photo-uploader-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.photo-counter {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--admin-muted);
}

.photo-counter b {
  color: var(--admin-accent);
}

.photo-preview-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.6rem;
  min-height: 90px;
}

.photo-slot {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  border: 1px solid var(--admin-border);
  background: #ffffff;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.photo-slot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photo-badge-main {
  position: absolute;
  top: 4px;
  left: 4px;
  background: var(--admin-accent);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
}

.photo-remove-btn {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 20px;
  height: 20px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  border: none;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s ease;
}

.photo-remove-btn:hover {
  background: var(--admin-danger);
}

.photo-slot-empty {
  color: #cbd5e1;
  font-size: 1.5rem;
  font-weight: 300;
}

.admin-modal-footer {
  padding: 1.2rem 1.6rem;
  border-top: 1px solid var(--admin-border);
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
}

/* ============================================================
   6. RESPONSIVE
============================================================ */
@media (max-width: 900px) {
  .admin-sidebar {
    width: 200px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .admin-layout {
    flex-direction: column;
  }
  .admin-sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--admin-border);
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .photo-preview-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}