/* KakeD: Tactical UI Theme (Metal Gear Solid + C&C Red Alert) */
:root {
  --bg-deep: #080d0a;
  --bg-panel: #0d1612;
  --bg-panel-light: #13221b;
  --border-dim: #1d3326;
  --border-bright: #2d553e;
  --border-red: #ff3b30;
  
  --text-phosphor: #33ff77;
  --text-phosphor-dim: #22a84f;
  --text-muted: #5e846f;
  --text-red: #ff453a;
  --text-amber: #ff9f0a;
  
  --btn-bg: #112017;
  --btn-border: #274b35;
  --btn-hover: #1b3526;
  
  --btn-red-bg: #3d1114;
  --btn-red-border: #752227;
  --btn-red-hover: #52161b;
  
  --font-mono: "SF Mono", "Fira Code", "Cascadia Code", "Roboto Mono", Consolas, Menlo, monospace;
}

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

body {
  background-color: var(--bg-deep);
  color: var(--text-phosphor);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Subtle CRT Scanline effect */
body::before {
  content: " ";
  display: block;
  position: fixed;
  top: 0; left: 0; bottom: 0; right: 0;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.03), rgba(0, 255, 0, 0.01), rgba(0, 0, 255, 0.03));
  z-index: 999;
  background-size: 100% 3px, 6px 100%;
  pointer-events: none;
  opacity: 0.7;
}

/* Header & Status Bar */
.tactical-header {
  border-bottom: 2px solid var(--border-bright);
  background: var(--bg-panel);
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-title {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-phosphor);
  text-shadow: 0 0 8px rgba(51, 255, 119, 0.4);
}

.brand-tag {
  background: var(--btn-red-bg);
  color: var(--text-red);
  border: 1px solid var(--btn-red-border);
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
}

.status-telemetry {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 12px;
  color: var(--text-muted);
}

.status-item span.val {
  color: var(--text-phosphor);
  font-weight: 600;
}

.status-item span.alert {
  color: var(--text-amber);
}

/* Button & Inputs */
.btn {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
  padding: 8px 16px;
  background: var(--btn-bg);
  color: var(--text-phosphor);
  border: 1px solid var(--btn-border);
  cursor: pointer;
  transition: all 0.15s ease-in-out;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.btn:hover {
  background: var(--btn-hover);
  border-color: var(--text-phosphor);
  box-shadow: 0 0 10px rgba(51, 255, 119, 0.2);
}

.btn-alert {
  background: var(--btn-red-bg);
  color: var(--text-red);
  border-color: var(--btn-red-border);
}

.btn-alert:hover {
  background: var(--btn-red-hover);
  border-color: var(--border-red);
  box-shadow: 0 0 10px rgba(255, 59, 48, 0.3);
}

.btn-small {
  padding: 4px 10px;
  font-size: 11px;
}

.input-tactical {
  background: #050806;
  border: 1px solid var(--border-bright);
  color: var(--text-phosphor);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 8px 12px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.input-tactical:focus {
  border-color: var(--text-phosphor);
  box-shadow: 0 0 8px rgba(51, 255, 119, 0.3);
}

/* Container & Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

/* Controls Panel (Action bar, search, breadcrumbs) */
.controls-panel {
  background: var(--bg-panel);
  border: 1px solid var(--border-bright);
  padding: 16px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.controls-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
}

.breadcrumbs a {
  color: var(--text-phosphor);
  text-decoration: none;
  border-bottom: 1px dashed var(--border-bright);
}

.breadcrumbs a:hover {
  color: #fff;
  border-bottom-color: var(--text-phosphor);
}

.breadcrumbs .sep {
  color: var(--text-muted);
}

.search-box {
  flex: 1;
  max-width: 400px;
  display: flex;
  align-items: center;
}

.search-box input {
  width: 100%;
}

/* Drag & Drop Upload Overlay / Zone */
.upload-dropzone {
  border: 2px dashed var(--border-bright);
  background: rgba(13, 22, 18, 0.4);
  padding: 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 20px;
}

.upload-dropzone:hover, .upload-dropzone.drag-active {
  background: rgba(29, 51, 38, 0.6);
  border-color: var(--text-phosphor);
  box-shadow: 0 0 15px rgba(51, 255, 119, 0.2);
}

.dropzone-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--text-phosphor);
}

.dropzone-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* File Table */
.tactical-table-wrapper {
  background: var(--bg-panel);
  border: 1px solid var(--border-bright);
  overflow-x: auto;
}

table.tactical-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

table.tactical-table th {
  background: var(--bg-panel-light);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-bright);
}

table.tactical-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-dim);
  font-size: 13px;
}

table.tactical-table tr:hover td {
  background: var(--bg-panel-light);
}

.cell-icon {
  width: 32px;
  text-align: center;
  font-weight: bold;
}

.icon-dir {
  color: var(--text-amber);
}

.icon-file {
  color: var(--text-phosphor);
}

.filename-link {
  color: var(--text-phosphor);
  text-decoration: none;
  font-weight: 600;
}

.filename-link:hover {
  text-decoration: underline;
}

.tag-badge {
  display: inline-block;
  background: #14281e;
  color: var(--text-phosphor-dim);
  border: 1px solid var(--border-dim);
  padding: 1px 6px;
  font-size: 10px;
  margin-right: 4px;
}

.actions-cell {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

/* Progress bar */
.progress-container {
  display: none;
  background: #050806;
  border: 1px solid var(--border-bright);
  height: 18px;
  margin-bottom: 16px;
  position: relative;
  overflow: hidden;
}

.progress-bar {
  background: var(--text-phosphor-dim);
  height: 100%;
  width: 0%;
  transition: width 0.1s linear;
}

.progress-text {
  position: absolute;
  width: 100%;
  top: 0; left: 0;
  text-align: center;
  font-size: 11px;
  line-height: 18px;
  color: #fff;
  font-weight: bold;
}

/* Storage Meter Bar */
.storage-meter {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 180px;
}

.meter-track {
  flex: 1;
  height: 8px;
  background: #050806;
  border: 1px solid var(--border-dim);
}

.meter-fill {
  height: 100%;
  background: var(--text-phosphor);
}

/* Login Gate Centered Box */
.login-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 80vh;
  padding: 20px;
}

.login-terminal {
  width: 100%;
  max-width: 480px;
  background: var(--bg-panel);
  border: 2px solid var(--border-bright);
  box-shadow: 0 0 25px rgba(0, 0, 0, 0.8), 0 0 10px rgba(51, 255, 119, 0.1);
  padding: 32px;
}

.login-header {
  border-bottom: 1px solid var(--border-bright);
  padding-bottom: 16px;
  margin-bottom: 24px;
  text-align: center;
}

.login-freq {
  color: var(--text-amber);
  font-size: 12px;
  letter-spacing: 2px;
  margin-top: 6px;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
}

.login-alert {
  display: none;
  background: var(--btn-red-bg);
  border: 1px solid var(--border-red);
  color: var(--text-red);
  padding: 10px;
  font-size: 12px;
  text-align: center;
}

.terminal-cursor {
  display: inline-block;
  width: 8px;
  height: 14px;
  background: var(--text-phosphor);
  vertical-align: middle;
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

/* Modals */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(5, 10, 8, 0.85);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.modal-box {
  background: var(--bg-panel);
  border: 2px solid var(--border-bright);
  padding: 24px;
  max-width: 440px;
  width: 100%;
  box-shadow: 0 0 20px rgba(0,0,0,0.9);
}

.modal-title {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-bright);
  padding-bottom: 8px;
}