/* ========================================
   THE ZINCO FILES — Core Stylesheet
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=IBM+Plex+Sans:wght@300;400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --bg:        #0d0f0e;
  --surface:   #141614;
  --surface2:  #1a1d1b;
  --border:    #2a2e2b;
  --border2:   #3a3f3b;
  --text:      #c8cfc9;
  --text-dim:  #6b736c;
  --text-mute: #3d433e;
  --accent:    #4aff91;
  --accent-dim:#1a5c38;
  --red:       #ff4a4a;
  --amber:     #ffb84a;
  --font-mono: 'Share Tech Mono', monospace;
  --font-ui:   'IBM Plex Sans', sans-serif;
  --font-code: 'IBM Plex Mono', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}

/* ---- Scanline texture overlay ---- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.03) 2px,
    rgba(0,0,0,0.03) 4px
  );
  pointer-events: none;
  z-index: 9999;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ======================================
   LAYOUT
   ====================================== */

.site-wrapper {
  display: grid;
  grid-template-columns: 240px 1fr;
  grid-template-rows: auto 1fr auto;
  grid-template-areas:
    "header header"
    "sidebar main"
    "footer footer";
  min-height: 100vh;
}

/* ======================================
   HEADER
   ====================================== */

.site-header {
  grid-area: header;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 56px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.logo span {
  color: var(--text-dim);
  font-size: 11px;
  letter-spacing: 1px;
}

.header-badge {
  font-family: var(--font-code);
  font-size: 10px;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 2px 8px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  font-family: var(--font-code);
  font-size: 12px;
  padding: 6px 16px;
  border: 1px solid var(--border2);
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}

.btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

.btn-accent {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(74,255,145,0.05);
}

.btn-accent:hover {
  background: rgba(74,255,145,0.12);
}

.btn-danger {
  border-color: var(--red);
  color: var(--red);
}

/* ======================================
   SIDEBAR
   ====================================== */

.site-sidebar {
  grid-area: sidebar;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 24px 0;
  position: sticky;
  top: 56px;
  height: calc(100vh - 56px);
  overflow-y: auto;
}

.sidebar-section {
  margin-bottom: 28px;
}

.sidebar-label {
  font-family: var(--font-code);
  font-size: 10px;
  color: var(--text-mute);
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 0 20px 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  color: var(--text-dim);
  font-size: 13px;
  transition: all 0.1s;
  border-left: 2px solid transparent;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  color: var(--text);
  background: var(--surface2);
  border-left-color: var(--accent);
  text-decoration: none;
}

.sidebar-nav a.active {
  color: var(--accent);
}

.nav-icon {
  font-size: 12px;
  width: 14px;
  text-align: center;
  opacity: 0.6;
}

.sidebar-stat {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  margin-top: auto;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
  font-size: 11px;
  color: var(--text-dim);
}

.stat-row span:last-child {
  color: var(--accent);
  font-family: var(--font-code);
}

/* ======================================
   MAIN CONTENT
   ====================================== */

.site-main {
  grid-area: main;
  padding: 32px;
  max-width: 1100px;
}

.page-header {
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.page-header .breadcrumb {
  font-family: var(--font-code);
  font-size: 11px;
  color: var(--text-mute);
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.page-header h1 {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 400;
  color: var(--text);
  letter-spacing: 1px;
}

.page-header .subtitle {
  color: var(--text-dim);
  font-size: 13px;
  margin-top: 6px;
}

/* ======================================
   CARDS / FILE ENTRIES
   ====================================== */

.file-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.file-card {
  background: var(--surface);
  border: 1px solid var(--border);
  transition: all 0.15s;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.file-card:hover {
  border-color: var(--border2);
  transform: translateY(-1px);
}

.file-card-thumb {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  background: var(--surface2);
  display: block;
  border-bottom: 1px solid var(--border);
  filter: grayscale(20%);
}

.file-card-thumb-placeholder {
  width: 100%;
  aspect-ratio: 16/10;
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-mute);
  font-family: var(--font-code);
  font-size: 28px;
}

.file-card-body {
  padding: 14px 16px;
  flex: 1;
}

.file-card-id {
  font-family: var(--font-code);
  font-size: 10px;
  color: var(--text-mute);
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.file-card-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 6px;
}

.file-card-desc {
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.5;
  margin-bottom: 10px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.file-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  border-top: 1px solid var(--border);
  background: var(--surface2);
}

.tag {
  font-family: var(--font-code);
  font-size: 10px;
  padding: 2px 8px;
  letter-spacing: 1px;
  text-transform: uppercase;
  border: 1px solid;
}

.tag-classified { color: var(--red); border-color: var(--red); background: rgba(255,74,74,0.05); }
.tag-confidential { color: var(--amber); border-color: var(--amber); background: rgba(255,184,74,0.05); }
.tag-unclassified { color: var(--text-dim); border-color: var(--border2); }
.tag-restricted { color: #b084ff; border-color: #b084ff; background: rgba(176,132,255,0.05); }

.file-date {
  font-family: var(--font-code);
  font-size: 10px;
  color: var(--text-mute);
}

/* ======================================
   INDIVIDUAL FILE PAGE
   ====================================== */

.file-detail {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 24px;
}

.file-image-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 16px;
}

.file-image-wrap img {
  width: 100%;
  display: block;
  filter: grayscale(10%);
}

.file-image-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--surface2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-mute);
  gap: 12px;
}

.file-image-placeholder .icon { font-size: 48px; }
.file-image-placeholder p { font-family: var(--font-code); font-size: 12px; letter-spacing: 1px; }

.metadata-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0;
  height: fit-content;
}

.metadata-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-code);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.metadata-row {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.metadata-row:last-child { border-bottom: none; }

.meta-key {
  font-family: var(--font-code);
  font-size: 10px;
  color: var(--text-mute);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.meta-value {
  font-size: 13px;
  color: var(--text);
}

.file-description-block {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 20px;
  margin-top: 16px;
}

.file-description-block h3 {
  font-family: var(--font-code);
  font-size: 11px;
  color: var(--text-mute);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.file-description-block p {
  color: var(--text-dim);
  line-height: 1.7;
  font-size: 13px;
}

/* ======================================
   HOMEPAGE HERO
   ====================================== */

.hero {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 40px;
  margin-bottom: 32px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: 'ZINCO';
  position: absolute;
  right: -20px;
  top: -10px;
  font-family: var(--font-mono);
  font-size: 120px;
  color: rgba(74,255,145,0.03);
  pointer-events: none;
  letter-spacing: 10px;
}

.hero-label {
  font-family: var(--font-code);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero h1 {
  font-family: var(--font-mono);
  font-size: 36px;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 14px;
  letter-spacing: 1px;
  line-height: 1.2;
}

.hero p {
  color: var(--text-dim);
  font-size: 14px;
  max-width: 580px;
  line-height: 1.7;
  margin-bottom: 24px;
}

.hero-stats {
  display: flex;
  gap: 32px;
  border-top: 1px solid var(--border);
  padding-top: 24px;
}

.hero-stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-stat-num {
  font-family: var(--font-mono);
  font-size: 28px;
  color: var(--accent);
}

.hero-stat-label {
  font-family: var(--font-code);
  font-size: 10px;
  color: var(--text-mute);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ======================================
   ALERT / NOTICE BOXES
   ====================================== */

.alert {
  border: 1px solid;
  padding: 12px 16px;
  margin-bottom: 20px;
  font-family: var(--font-code);
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.alert-info { border-color: var(--accent-dim); color: var(--accent); background: rgba(74,255,145,0.04); }
.alert-warn { border-color: var(--amber); color: var(--amber); background: rgba(255,184,74,0.04); }
.alert-error { border-color: var(--red); color: var(--red); background: rgba(255,74,74,0.04); }

/* ======================================
   LOGIN PAGE
   ====================================== */

.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 56px);
  background: var(--bg);
}

.auth-box {
  width: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
}

.auth-box-header {
  padding: 24px;
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.auth-box-header .logo {
  display: block;
  margin-bottom: 6px;
  font-size: 22px;
}

.auth-box-header p {
  font-family: var(--font-code);
  font-size: 11px;
  color: var(--text-mute);
  letter-spacing: 1px;
}

.auth-form {
  padding: 24px;
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-family: var(--font-code);
  font-size: 10px;
  color: var(--text-mute);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-code);
  font-size: 13px;
  padding: 10px 12px;
  outline: none;
  transition: border-color 0.15s;
}

.form-input:focus {
  border-color: var(--accent);
}

.form-input::placeholder { color: var(--text-mute); }

.form-select {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-code);
  font-size: 13px;
  padding: 10px 12px;
  outline: none;
  cursor: pointer;
  appearance: none;
}

.form-textarea {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 13px;
  padding: 10px 12px;
  outline: none;
  resize: vertical;
  min-height: 90px;
  transition: border-color 0.15s;
}

.form-textarea:focus, .form-select:focus { border-color: var(--accent); }

.btn-full { width: 100%; justify-content: center; padding: 12px; }

/* ======================================
   ADMIN DASHBOARD
   ====================================== */

.admin-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 24px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
}

.panel-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.panel-title {
  font-family: var(--font-code);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.panel-body { padding: 20px; }

.upload-drop {
  border: 2px dashed var(--border2);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s;
  margin-bottom: 16px;
}

.upload-drop:hover,
.upload-drop.drag-over {
  border-color: var(--accent);
  background: rgba(74,255,145,0.03);
}

.upload-drop .drop-icon { font-size: 32px; margin-bottom: 12px; color: var(--text-mute); }
.upload-drop p { font-size: 13px; color: var(--text-dim); margin-bottom: 4px; }
.upload-drop small { font-family: var(--font-code); font-size: 11px; color: var(--text-mute); }

.upload-preview {
  width: 100%;
  max-height: 200px;
  object-fit: contain;
  background: var(--surface2);
  display: none;
  margin-bottom: 16px;
  border: 1px solid var(--border);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.admin-table th {
  font-family: var(--font-code);
  font-size: 10px;
  color: var(--text-mute);
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  font-weight: 400;
}

.admin-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
  vertical-align: middle;
}

.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: var(--surface2); }

.admin-table .title-cell { color: var(--text); font-weight: 500; max-width: 200px; }

.action-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
  padding: 3px 6px;
  color: var(--text-mute);
  transition: color 0.1s;
  font-family: var(--font-code);
  font-size: 11px;
  text-decoration: none;
}

.action-btn:hover { color: var(--accent); }
.action-btn.delete:hover { color: var(--red); }

/* ======================================
   FOOTER
   ====================================== */

.site-footer {
  grid-area: footer;
  border-top: 1px solid var(--border);
  padding: 14px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-code);
  font-size: 11px;
  color: var(--text-mute);
  background: var(--surface);
}

/* ======================================
   TOAST
   ====================================== */

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--surface2);
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: var(--font-code);
  font-size: 12px;
  padding: 12px 20px;
  letter-spacing: 1px;
  z-index: 9998;
  transform: translateY(80px);
  opacity: 0;
  transition: all 0.25s;
}

.toast.show { transform: translateY(0); opacity: 1; }

/* ======================================
   EMPTY STATE
   ====================================== */

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-mute);
}

.empty-state .icon { font-size: 40px; margin-bottom: 16px; }
.empty-state p { font-family: var(--font-code); font-size: 12px; letter-spacing: 1px; }

/* ======================================
   SCROLLBAR
   ====================================== */

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border2); }
::-webkit-scrollbar-thumb:hover { background: var(--text-mute); }

/* ======================================
   RESPONSIVE
   ====================================== */

@media (max-width: 900px) {
  .site-wrapper {
    grid-template-columns: 1fr;
    grid-template-areas: "header" "main" "footer";
  }
  .site-sidebar { display: none; }
  .file-detail { grid-template-columns: 1fr; }
  .admin-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 24px; }
}