/* ===== DESIGN TOKENS ===== */
:root {
  /* Colors */
  --color-primary: #ff5f15;
  --color-primary-hover: #e54d00;
  --color-primary-10: rgba(255, 95, 21, 0.1);
  --color-base: #333333;
  --color-base-dark: #1a1a1a;
  --color-canvas: #f0f2f5;
  --color-card: #2a2a2a;
  --color-success: #10b981;
  --color-success-pale: #d1fae5;
  --color-error: #dc2626;
  --color-error-pale: #fee2e2;
  --color-warning: #f59e0b;
  --color-null: #a0a0a0;
  --color-white: #ffffff;

  /* Typography */
  --font-mono: "JetBrains Mono", monospace;
  --font-ui: "Inter", sans-serif;

  /* Shadows (Hard Industrial) */
  --shadow-sm: 0px 2px 0px #000;
  --shadow-md: 0px 4px 0px #000;
  --shadow-lg: 0px 8px 0px #000;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
}

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

/* ===== BASE ===== */
html,
body {
  height: 100%;
}

body {
  font-family: var(--font-ui);
  background-color: var(--color-canvas);
  color: var(--color-base);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
}

/* ===== NAVBAR ===== */
.navbar {
  background-color: var(--color-base-dark);
  padding: var(--space-4) var(--space-8);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 3px solid var(--color-primary);
}

.navbar-brand a {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-white);
}

.logo-icon {
  font-size: 24px;
}

.logo-text {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 2px;
}

.navbar-links {
  display: flex;
  gap: var(--space-6);
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-null);
  text-decoration: none;
  letter-spacing: 1px;
  transition: color 0.1s;
}

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

.nav-link-admin {
  color: var(--color-success);
  font-weight: 600;
}

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

/* ===== MAIN ===== */
main {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--space-8);
}

/* ===== PAGE CONTAINER ===== */
.page-container {
  width: 100%;
  max-width: 600px;
  text-align: center;
}

/* ===== HERO ===== */
.hero {
  margin-bottom: var(--space-8);
}

.hero-title {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-base);
  letter-spacing: 2px;
  line-height: 1.2;
}

.hero-accent {
  color: var(--color-primary);
}

.hero-subtitle {
  font-size: 1rem;
  color: var(--color-null);
  margin-top: var(--space-3);
}

/* ===== CONTAINMENT CARD ===== */
.containment-card {
  position: relative;
  background-color: var(--color-card);
  border: 3px solid var(--color-base);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
}

/* Corner Screws */
.screw {
  position: absolute;
  width: 16px;
  height: 16px;
  background: radial-gradient(circle at 30% 30%, #666, #333);
  border-radius: 50%;
  border: 2px solid #222;
}

.screw::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 2px;
  background: #222;
}

.screw-tl {
  top: 12px;
  left: 12px;
}
.screw-tr {
  top: 12px;
  right: 12px;
}
.screw-bl {
  bottom: 12px;
  left: 12px;
}
.screw-br {
  bottom: 12px;
  right: 12px;
}

/* ===== DROP ZONE ===== */
.drop-zone {
  border: 3px dashed var(--color-null);
  padding: var(--space-12);
  cursor: pointer;
  transition: all 0.1s;
  background: transparent;
}

.drop-zone:hover,
.drop-zone.drag-active {
  border-color: var(--color-primary);
  background-color: var(--color-primary-10);
}

.drop-zone-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.upload-icon {
  color: var(--color-null);
}

.drop-zone:hover .upload-icon,
.drop-zone.drag-active .upload-icon {
  color: var(--color-primary);
}

.drop-text {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-white);
  letter-spacing: 2px;
}

.drop-text-sub {
  font-size: 14px;
  color: var(--color-null);
}

/* ===== FILE INFO ===== */
.file-info {
  margin-top: var(--space-4);
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-null);
}

.file-details {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.file-icon {
  font-size: 32px;
}

.file-meta {
  flex: 1;
  text-align: left;
}

.file-name {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-white);
  word-break: break-all;
}

.file-size {
  font-size: 12px;
  color: var(--color-null);
}

.btn-icon {
  background: transparent;
  border: none;
  color: var(--color-null);
  font-size: 18px;
  cursor: pointer;
  padding: var(--space-2);
}

.btn-icon:hover {
  color: var(--color-error);
}

/* ===== PROGRESS BAR ===== */
.progress-container {
  margin-top: var(--space-4);
}

.progress-bar {
  height: 8px;
  background: var(--color-base);
  border: 1px solid var(--color-null);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--color-primary);
  transition: width 0.2s;
}

.progress-text {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-primary);
  margin-top: var(--space-1);
}

/* ===== BUTTONS ===== */
.btn {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  padding: var(--space-3) var(--space-6);
  border: none;
  cursor: pointer;
  transition: all 0.1s;
  text-decoration: none;
  display: inline-block;
}

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

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
}

.btn-primary:disabled {
  background-color: var(--color-null);
  cursor: not-allowed;
  opacity: 0.6;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

.btn-large {
  width: 100%;
  padding: var(--space-4);
  font-size: 16px;
  margin-top: var(--space-6);
}

/* ===== HELPER TEXT ===== */
.helper-text {
  margin-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.helper-text p {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-null);
  letter-spacing: 1px;
}

/* ===== SUCCESS SECTION ===== */
.success-icon {
  width: 80px;
  height: 80px;
  background: var(--color-success);
  color: var(--color-white);
  font-size: 48px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
}

.success-title {
  font-family: var(--font-mono);
  font-size: 24px;
  color: var(--color-success);
  letter-spacing: 2px;
  margin-bottom: var(--space-2);
}

.success-subtitle {
  color: var(--color-null);
  margin-bottom: var(--space-4);
}

.link-container {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.share-link {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 12px;
  padding: var(--space-3);
  background: var(--color-base);
  border: 2px solid var(--color-null);
  color: var(--color-white);
}

.warning-box {
  background: rgba(245, 158, 11, 0.1);
  border: 2px solid var(--color-warning);
  padding: var(--space-4);
  margin-bottom: var(--space-6);
}

.warning-box p {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-warning);
  letter-spacing: 1px;
}

/* ===== ERROR SECTION ===== */
.error-icon {
  width: 80px;
  height: 80px;
  background: var(--color-error);
  color: var(--color-white);
  font-size: 48px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
}

.error-title {
  font-family: var(--font-mono);
  font-size: 24px;
  color: var(--color-error);
  letter-spacing: 2px;
  margin-bottom: var(--space-2);
}

.error-message {
  color: var(--color-null);
  margin-bottom: var(--space-6);
}

/* ===== PROTECTED BADGE ===== */
.protected-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(16, 185, 129, 0.15);
  border: 2px solid var(--color-success);
  padding: var(--space-2) var(--space-4);
  margin-bottom: var(--space-4);
}

.badge-icon {
  font-size: 16px;
}

.badge-text {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--color-success);
  letter-spacing: 2px;
}

/* ===== COPY TOAST ===== */
.copy-toast {
  background: var(--color-success);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  padding: var(--space-2) var(--space-4);
  margin-bottom: var(--space-4);
  animation: fadeInOut 2s ease-in-out;
}

@keyframes fadeInOut {
  0% {
    opacity: 0;
    transform: translateY(-10px);
  }
  15% {
    opacity: 1;
    transform: translateY(0);
  }
  85% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(-10px);
  }
}

/* ===== FOOTER ===== */
footer {
  background-color: var(--color-base-dark);
  padding: var(--space-4);
  text-align: center;
  border-top: 3px solid var(--color-primary);
}

footer p {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-null);
  letter-spacing: 2px;
}

/* ===== UTILITIES ===== */
.hidden {
  display: none !important;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero-title {
    font-size: 1.75rem;
  }

  .containment-card {
    padding: var(--space-6);
  }

  .drop-zone {
    padding: var(--space-8);
  }

  .link-container {
    flex-direction: column;
  }
}

/* ===== DOWNLOAD PAGE ===== */
.file-info-display {
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid var(--color-null);
  padding: var(--space-4);
  margin: var(--space-6) 0;
  text-align: left;
}

.file-info-row {
  display: flex;
  justify-content: space-between;
  padding: var(--space-2) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.file-info-row .label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-null);
  letter-spacing: 1px;
}

.file-info-row .value {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-white);
  word-break: break-all;
  text-align: right;
  max-width: 60%;
}

.file-info-row .token-value {
  color: var(--color-primary);
  font-size: 10px;
}

.download-ready,
.download-error {
  text-align: center;
}

.helper-text-small {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-null);
  margin-top: var(--space-4);
  letter-spacing: 1px;
}

/* ===== PASSWORD SECTION ===== */
.password-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.checkbox-label {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-white);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.password-wrapper {
  display: flex;
  align-items: center;
  background: var(--color-base-dark);
  border: 1px solid var(--color-null);
  padding: 0 var(--space-2);
  width: 100%;
  max-width: 300px;
}

.password-wrapper input {
  background: transparent;
  border: none;
  color: var(--color-white);
  padding: var(--space-2);
  font-family: var(--font-mono);
  flex: 1;
  outline: none;
}

.password-icon {
  font-size: 16px;
}

.btn-icon-small {
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 16px;
  padding: var(--space-2);
}

/* ===== ADMIN STYLES ===== */

/* Login Form */
.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-group {
  text-align: left;
}

.form-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-null);
  letter-spacing: 2px;
  display: block;
  margin-bottom: var(--space-2);
}

.form-input {
  width: 100%;
  padding: var(--space-3);
  background: var(--color-base-dark);
  border: 2px solid var(--color-null);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: 14px;
}

.form-input:focus {
  border-color: var(--color-primary);
  outline: none;
}

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

/* Alert Box */
.alert-box {
  padding: var(--space-3);
  margin-bottom: var(--space-4);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1px;
}

.alert-error {
  background: var(--color-error-pale);
  border: 2px solid var(--color-error);
  color: var(--color-error);
}

.alert-success {
  background: var(--color-success-pale);
  border: 2px solid var(--color-success);
  color: var(--color-success);
}

/* Dashboard */
.admin-dashboard .page-container {
  max-width: 800px;
}

.privacy-notice {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background: rgba(16, 185, 129, 0.1);
  border: 2px solid var(--color-success);
  padding: var(--space-4);
  margin-bottom: var(--space-6);
}

.privacy-icon {
  font-size: 32px;
}

.privacy-text strong {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-success);
  letter-spacing: 2px;
  display: block;
  margin-bottom: var(--space-1);
}

.privacy-text p {
  font-size: 12px;
  color: var(--color-null);
  margin: 0;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.stat-card {
  background: var(--color-base-dark);
  border: 2px solid var(--color-null);
  padding: var(--space-4);
  text-align: center;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
  display: block;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-null);
  letter-spacing: 2px;
}

/* Admin Navigation Cards */
.admin-nav {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.nav-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4);
  background: transparent;
  border: 2px solid var(--color-null);
  text-decoration: none;
  transition: all 0.1s;
}

.nav-card:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-10);
}

.nav-icon {
  font-size: 24px;
}

.nav-title {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-white);
  letter-spacing: 2px;
}

.nav-card:hover .nav-title {
  color: var(--color-primary);
}

@media (max-width: 768px) {
  .stats-grid,
  .admin-nav {
    grid-template-columns: 1fr;
  }
}

/* ===== ADMIN TABLE ===== */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 12px;
  margin-bottom: var(--space-6);
}

.admin-table th {
  background: var(--color-base-dark);
  color: var(--color-null);
  padding: var(--space-3);
  text-align: left;
  letter-spacing: 2px;
  border-bottom: 2px solid var(--color-primary);
}

.admin-table td {
  padding: var(--space-3);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  color: var(--color-white);
}

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

.token-cell {
  color: var(--color-primary);
  font-size: 10px;
}

/* Badges */
.badge {
  padding: var(--space-1) var(--space-2);
  font-size: 10px;
  letter-spacing: 1px;
}

.badge-protected {
  background: rgba(16, 185, 129, 0.2);
  color: var(--color-success);
  border: 1px solid var(--color-success);
}

.badge-open {
  background: rgba(160, 160, 160, 0.2);
  color: var(--color-null);
  border: 1px solid var(--color-null);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--space-8);
  color: var(--color-null);
}

.empty-icon {
  font-size: 48px;
  display: block;
  margin-bottom: var(--space-4);
}

.empty-state p {
  font-family: var(--font-mono);
  letter-spacing: 2px;
}