:root {
  --color-primary: #00a185;
  --color-primary-dark: #00735c;
  --color-primary-light: #6cfce4;
  --color-danger: #ff4444;
  --color-danger-dark: #cc3333;
  --color-success: #00a185;

  --bg-body: linear-gradient(135deg, #2b2b2b 0%, #1a1a1a 100%);
  --bg-card: #2c3332;
  --bg-card-hover: #262b2b;
  --bg-secondary: #2d2d2d;
  --bg-dark: #292929;
  --bg-input: #1a1a1a;

  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --text-muted: #888888;
  --text-light: #cccccc;

  --border-color: #505050;
  --border-light: #404040;
  --border-dashed: #505050;

  --green-shadow-box: 0 1px 4px rgba(16, 16, 16, 0.3);
  --shadow-hover: translateY(-3px);
}

:root.light {
  --color-primary-light: #008f73;
  --color-danger: #dc3545;
  --color-danger-dark: #c82333;
  --color-success: #28a745;

  --bg-body: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  --bg-card: #ffffff;
  --bg-card-hover: #f8f9fa;
  --bg-secondary: #f8f9fa;
  --bg-dark: #f5f5f5;
  --bg-input: #ffffff;

  --text-primary: #212529;
  --text-secondary: #6c757d;
  --text-muted: #6c757d;
  --text-light: #495057;

  --border-color: #dee2e6;
  --border-light: #e9ecef;
  --border-dashed: #dee2e6;

  --green-shadow-box: 0 1px 4px rgba(88, 110, 101, 0.3);
}

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

body {
  font-family: "Segoe UI", Tahoma, Arial, sans-serif;
  background: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.6;
  padding: 20px 0;
  min-height: 100vh;
}

.error,
.success {
  transition: opacity 0.5s ease-out;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.header {
  margin-bottom: 60px;
  padding: 30px 0;
  border-bottom: 3px solid var(--color-primary);
  position: relative;
}

.header-two {
  display: flex;
  align-items: center;
  flex-direction: column;
  max-width: 80%;
}

.header-main {
  display: flex;
  justify-content: space-around;
  align-items: center;
  margin-bottom: 25px;
  flex-wrap: wrap;
  gap: 20px;
}

.header-logo {
  max-height: 45px;
}

.header-title {
  font-size: 2.4em;
  font-weight: 800;
  color: var(--color-primary);
  margin: 0;
  text-align: center;
}

.header-subtitle {
  color: var(--text-secondary);
  font-size: 1.1em;
  margin: 0;
  text-align: center;
}

.header-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.header-link {
  color: var(--text-primary);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 6px;
  background: var(--bg-card);
  transition: all 0.3s ease;
  box-shadow: var(--green-shadow-box);
}

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

.files-list {
  margin-bottom: 60px;
}

.file-item {
  background: var(--bg-card);
  border-left: 5px solid var(--color-primary);
  padding: 30px;
  margin-bottom: 25px;
  border-radius: 0 12px 12px 0;
  transition: all 0.3s ease;
  box-shadow: var(--green-shadow-box);
}

.file-item:hover {
  background: var(--bg-card-hover);
  transform: var(--shadow-hover);
}

.file-header {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.file-icon {
  width: 55px;
  height: 55px;
  background: var(--color-primary);
  color: var(--bg-dark);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-right: 20px;
  flex-shrink: 0;
  box-shadow: var(--green-shadow-box);
}

.file-name {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.download-link,
.official-link {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 700;
  font-size: 16px;
  margin-right: 15px;
  margin-bottom: 20px;
  transition: all 0.3s ease;
  background: var(--color-primary);
  color: var(--bg-dark);
  box-shadow: var(--green-shadow-box);
}

.download-link:hover,
.official-link:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}
.header-link i,
.download-link i,
.official-link i {
  margin-right: 6px;
  display: inline-block;
}

.hash-container {
  background: var(--bg-dark);
  padding: 12px;
  border-radius: 8px;
  box-shadow: var(--green-shadow-box);
  margin: 20px 0;
  position: relative;
}

.hash-label {
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 12px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.hash-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hash {
  flex: 1;
  font-family: "Courier New", monospace;
  font-size: 14px;
  color: var(--text-primary);
  word-break: break-all;
  background: var(--bg-input);
  padding: 12px;
  border-radius: 6px;
  box-shadow: var(--green-shadow-box);
  margin: 0;
}

.copy-btn {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  color: var(--bg-dark);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  transition: all 0.3s ease;
  flex-shrink: 0;
  box-shadow: var(--green-shadow-box);
}

.copy-btn:hover {
  background: var(--color-primary-dark);
}

.copy-success {
  background: var(--color-primary-dark) !important;
  color: var(--bg-dark) !important;
  animation: pulse 0.6s ease-in-out;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.file-time {
  color: var(--text-muted);
  font-size: 15px;
  font-style: italic;
  padding-top: 15px;
  border-top: 1px solid var(--border-color);
  margin-top: 15px;
}

.empty-state {
  text-align: center;
  padding: 80px 40px;
  color: var(--color-primary);
  border: 3px dashed var(--border-dashed);
  border-radius: 15px;
  font-size: 20px;
  background: var(--bg-card);
}

.instructions {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 35px;
  margin-top: 50px;
  box-shadow: var(--green-shadow-box);
}

.footer a,
.instructions a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px dashed var(--color-primary) 99;
}

.footer a:hover,
.instructions a:hover {
  color: var(--color-primary-light);
  text-shadow: 0 0 12px rgba(174, 251, 238, 0.5);
}

.instructions h3 {
  color: var(--color-primary);
  font-size: 22px;
  margin-bottom: 25px;
  border-bottom: 3px solid var(--color-primary);
  padding-bottom: 15px;
}

.instruction-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 25px;
  padding: 20px;
  background: var(--bg-dark);
  border-radius: 10px;
  border-left: 5px solid var(--color-primary);
  box-shadow: var(--green-shadow-box);
}

.instruction-icon {
  width: 45px;
  height: 45px;
  background: var(--color-primary);
  color: var(--bg-dark);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  margin-right: 20px;
  flex-shrink: 0;
  box-shadow: var(--green-shadow-box);
}

.instruction-text {
  flex: 1;
}

.instruction-title {
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.footer {
  text-align: center;
  padding: 40px 0;
  border-top: 2px solid var(--color-primary);
  margin-top: 60px;
  color: var(--text-muted);
  font-size: 15px;
}

.last-update {
  color: var(--color-primary);
  font-weight: 700;
  font-size: 16px;
}

.admin-body {
  padding: 60px 20px;
  min-height: 100vh;
}

.form-box {
  background: var(--bg-card);
  border: 3px solid var(--color-primary);
  border-radius: 20px;
  padding: 50px;
  max-width: 650px;
  margin: 0 auto;
}

.admin-input,
.admin-password {
  width: 100%;
  padding: 18px 20px;
  margin: 12px 0;
  background: var(--bg-input);
  border: 2px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 17px;
  box-sizing: border-box;
  transition: all 0.3s ease;
}

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

.admin-btn {
  width: 100%;
  padding: 18px 30px;
  background: var(--color-primary);
  color: var(--bg-dark);
  border: none;
  border-radius: 12px;
  font-weight: 700;
  font-size: 16px;
  cursor: pointer;
  margin: 12px 0;
  transition: all 0.3s ease;
  box-shadow: var(--green-shadow-box);
}

.admin-btn:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

.admin-logout {
  background: var(--color-danger) !important;
}

.admin-logout:hover {
  background: var(--color-danger-dark) !important;
}

.error {
  background: var(--color-danger);
  color: var(--bg-dark);
  padding: 20px;
  border-radius: 12px;
  margin: 20px 0;
  font-weight: 600;
  box-shadow: var(--green-shadow-box);
}

.success {
  background: var(--color-success);
  color: var(--bg-dark);
  padding: 20px;
  border-radius: 12px;
  margin: 20px 0;
  font-weight: 800;
  box-shadow: var(--green-shadow-box);
}

.admin-h1 {
  color: var(--color-primary);
  text-align: center;
  margin-bottom: 35px;
  font-size: 28px;
  font-weight: 800;
}

.nav-buttons {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.nav-btn {
  flex: 1;
  min-width: 130px;
  padding: 15px 25px;
  background: var(--color-primary);
  color: var(--bg-dark);
  text-decoration: none;
  border-radius: 12px;
  text-align: center;
  font-weight: 700;
  box-shadow: var(--green-shadow-box);
  transition: all 0.3s ease;
}

.nav-btn:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

.scroll-panel {
  position: fixed;
  bottom: 30px;
  right: 15px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 1000;
}

.scroll-btn,
.admin-btn-fixed {
  width: 50px;
  height: 50px;
  border-radius: 8px;
  font-size: 20px;
  font-weight: 700;
  color: var(--bg-dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  transition: all 0.3s ease;
  border: none;
  text-decoration: none;
  box-shadow: var(--green-shadow-box);
}

.scroll-down,
.scroll-up {
  background: var(--color-primary);
}

.admin-btn-fixed {
  background: var(--color-primary);
  font-size: 18px;
}

.scroll-btn:hover,
.admin-btn-fixed:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

.files-table {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  margin: 25px 0;
  overflow: hidden;
  text-align: center;
}

.table-header {
  display: grid;
  grid-template-columns: 160px 1fr 90px;
  background: var(--bg-card);
  padding: 18px 24px;
  font-weight: 800;
  color: var(--color-primary);
  border-bottom: 2px solid var(--border-color);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.table-row {
  display: grid;
  grid-template-columns: 160px 1fr 90px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-light);
  align-items: center;
  justify-items: center;
}

.table-row:nth-child(even) {
  background: var(--bg-card-hover);
}

.table-row:hover {
  background: var(--bg-card);
}

.table-date {
  font-size: 14px;
  color: var(--color-primary);
  font-family: "Courier New", monospace;
  font-weight: 600;
}

.table-name {
  font-size: 15px;
  color: var(--text-primary);
  padding-left: 8px;
}

.table-delete {
  width: 44px;
  height: 44px;
  background: var(--color-danger);
  color: var(--bg-dark);
  border: none;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.table-delete:hover {
  background: var(--color-danger-dark);
}

.password-wrapper {
  position: relative;
  margin: 12px 0;
}

.password-toggle {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  border: none;
  border-radius: 8px;
  color: var(--bg-dark);
  font-size: 16px;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 2;
  box-shadow: var(--green-shadow-box);
}

.password-toggle:hover {
  background: var(--color-primary-dark);
}

.theme-btn {
  position: relative;
  overflow: hidden;
}

.fa-sun,
.fa-moon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
}

html.light .fa-sun {
  opacity: 1;
}
html.light .fa-moon {
  opacity: 0;
}

html:not(.light) .fa-moon {
  opacity: 1;
}
html:not(.light) .fa-sun {
  opacity: 0;
}

@media (max-width: 768px) {
  .header h1 {
    font-size: 2.2em;
  }
  .file-name {
    font-size: 22px;
  }
  .admin-h1 {
    font-size: 22px;
  }
  .admin-password {
    font-size: 14px;
  }
  .admin-body {
    padding: 40px 0;
  }
  .form-box {
    padding: 40px 25px;
    margin: 0 10px;
  }
  .nav-buttons {
    flex-direction: column;
  }
  .scroll-panel {
    bottom: 20px;
    right: 13px;
    gap: 10px;
  }
  .scroll-btn,
  .admin-btn-fixed {
    width: 45px;
    height: 45px;
    font-size: 18px;
  }
  .admin-btn-fixed {
    font-size: 16px;
  }
  .container {
    padding-top: 20px;
  }
  .header-main {
    flex-direction: column;
    text-align: center;
    gap: 15px;
  }
  .header-links {
    width: 100%;
    flex-wrap: wrap;
    justify-content: center;
  }
  .header-link {
    font-size: 14px;
    padding: 6px 12px;
  }
  .header-logo {
    max-height: 38px;
  }
  .header-title {
    font-size: 2em;
  }
  .header-subtitle {
    font-size: 1em;
  }
  .files-table {
    margin: 15px 0;
  }
  .table-header,
  .table-row {
    grid-template-columns: 80px 1fr 70px;
    padding: 16px 16px;
    gap: 8px;
    font-size: 14px;
  }
  .table-date {
    font-size: 13px;
  }
  .table-name {
    font-size: 14px;
    padding-left: 4px;
  }
  .table-delete {
    width: 38px;
    height: 38px;
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .header-two {
    max-width: 70%;
  }
  .table-header {
    grid-template-columns: 60px 0fr 60px;
    font-size: 12px;
  }
  .table-row {
    grid-template-columns: 65px 0fr 65px;
  }
}