/* ===== msg.group Design System ===== */
:root {
  --color-brand:       #a01441;
  --color-brand-dark:  #7a0f31;
  --color-brand-light: #c4175a;
  --color-text:        #2b2b2b;
  --color-text-muted:  #6f6f6f;
  --color-border:      #d8d8d8;
  --color-bg:          #ffffff;
  --color-bg-subtle:   #f5f5f5;
  --color-bg-dark:     #1a1a1a;
  --color-success:     #1a7f44;
  --color-error:       #c0392b;
  --color-warning:     #d97706;

  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,.10), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg: 0 8px 24px rgba(0,0,0,.12), 0 4px 8px rgba(0,0,0,.06);

  --font-sans: 'Helvetica Neue', Arial, 'Segoe UI', sans-serif;
  --font-mono: 'Cascadia Code', 'Fira Mono', 'Courier New', monospace;
  --transition: 160ms ease;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg-subtle);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===== Header ===== */
.site-header {
  background: var(--color-bg);
  border-bottom: 3px solid var(--color-brand);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
  flex-shrink: 0;
}

.site-logo svg { height: 36px; width: auto; }

.logo-divider {
  width: 1px;
  height: 28px;
  background: var(--color-border);
}

.logo-product {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

.header-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--color-text-muted);
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  padding: 4px 10px;
  border-radius: 100px;
}

.header-badge svg { width: 14px; height: 14px; color: var(--color-brand); }

/* ===== Main Content ===== */
.main {
  flex: 1;
  max-width: 680px;
  width: 100%;
  margin: 48px auto;
  padding: 0 24px 48px;
}

/* ===== Card ===== */
.card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.card-header {
  background: var(--color-brand);
  padding: 28px 32px 24px;
  color: #fff;
}

.card-header h1 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}

.card-header p {
  font-size: 14px;
  opacity: 0.85;
  line-height: 1.5;
}

.card-body {
  padding: 32px;
}

/* ===== Form ===== */
.form-group {
  margin-bottom: 24px;
}

label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

label .optional {
  font-weight: 400;
  text-transform: none;
  color: var(--color-text-muted);
  font-size: 12px;
  margin-left: 6px;
}

.input-wrap {
  position: relative;
  display: flex;
  gap: 8px;
}

input[type="text"],
input[type="password"],
input[type="email"],
textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 15px;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus,
textarea:focus {
  border-color: var(--color-brand);
  box-shadow: 0 0 0 3px rgba(160,20,65,.12);
}

textarea {
  resize: vertical;
  min-height: 80px;
  font-size: 14px;
}

.password-input-group {
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.password-input-group input,
.password-input-group textarea {
  flex: 1;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

.password-input-group textarea {
  min-height: 80px;
  resize: vertical;
  line-height: 1.5;
}

.hint {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 6px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn:active { transform: translateY(1px); }

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

.btn-primary:hover { background: var(--color-brand-dark); box-shadow: var(--shadow-md); }

.btn-secondary {
  background: var(--color-bg-subtle);
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}

.btn-secondary:hover { background: #ececec; }

.btn-ghost {
  background: transparent;
  color: var(--color-brand);
  padding: 8px 12px;
}

.btn-ghost:hover { background: rgba(160,20,65,.07); }

.btn-lg {
  padding: 13px 28px;
  font-size: 15px;
  width: 100%;
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  flex-shrink: 0;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

/* ===== Result Box ===== */
.result-box {
  background: var(--color-bg-subtle);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-top: 24px;
  display: none;
}

.result-box.visible { display: block; }

.result-box .result-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}

.url-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.url-display {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 9px 12px;
  word-break: break-all;
  color: var(--color-brand);
}

.result-meta {
  margin-top: 12px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.result-meta span {
  font-size: 12px;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 5px;
}

.result-meta svg { width: 14px; height: 14px; flex-shrink: 0; }

/* ===== Alert ===== */
.alert {
  display: flex;
  gap: 12px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 24px;
  border: 1.5px solid;
}

.alert svg { width: 20px; height: 20px; flex-shrink: 0; margin-top: 1px; }

.alert-warning {
  background: #fffbeb;
  border-color: #fde68a;
  color: #92400e;
}

.alert-success {
  background: #f0fdf4;
  border-color: #86efac;
  color: #14532d;
}

.alert-error {
  background: #fef2f2;
  border-color: #fca5a5;
  color: #7f1d1d;
}

.alert-info {
  background: #eff6ff;
  border-color: #93c5fd;
  color: #1e3a5f;
}

/* ===== Secret View Page ===== */
.secret-meta {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}

.meta-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
}

.meta-row .meta-key {
  font-weight: 600;
  color: var(--color-text-muted);
  min-width: 110px;
  flex-shrink: 0;
  font-size: 13px;
}

.meta-row .meta-val {
  color: var(--color-text);
}

.password-reveal {
  margin-top: 8px;
}

.password-box {
  background: var(--color-bg-dark);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.05em;
  word-break: break-all;
  word-break: break-all;
  margin-bottom: 16px;
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.password-box .copy-btn {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  color: #fff;
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  font-size: 12px;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--transition);
}

.password-box .copy-btn:hover { background: rgba(255,255,255,.2); }

.viewed-warning {
  background: #fff3cd;
  border: 1.5px solid #ffc107;
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 13px;
  color: #664d03;
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

/* ===== Divider ===== */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: 24px 0;
}

/* ===== Spinner ===== */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Login / Setup ===== */
.login-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-subtle);
  padding: 24px;
}

.login-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 420px;
  overflow: hidden;
}

.login-card .card-header { padding: 32px 36px 28px; }
.login-card .card-body   { padding: 28px 36px 32px; }

.login-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}

.login-logo svg { height: 32px; width: auto; }

/* ===== User-Info-Bar ===== */
.user-info-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--color-bg-subtle);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: 14px;
  color: var(--color-text);
}

.user-info-bar svg { width: 16px; height: 16px; color: var(--color-text-muted); flex-shrink: 0; }

.user-info-bar .user-name  { font-weight: 600; }
.user-info-bar .user-email { color: var(--color-text-muted); font-size: 13px; }

/* ===== Modal ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 500;
  padding: 16px;
}

.modal-overlay.open { display: flex; }

.modal {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modal-in 180ms ease;
}

.modal-sm { max-width: 380px; }

@keyframes modal-in {
  from { opacity: 0; transform: translateY(-12px) scale(.98); }
  to   { opacity: 1; transform: none; }
}

.modal-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background: var(--color-bg);
  z-index: 1;
}

.modal-header h2 { font-size: 17px; font-weight: 700; }

.modal-close {
  background: none;
  border: none;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  color: var(--color-text-muted);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  transition: color var(--transition);
}

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

.modal-body   { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* ===== Danger Button ===== */
.btn-danger {
  background: var(--color-error);
  color: #fff;
}
.btn-danger:hover { background: #a93226; }

/* ===== Role Badge ===== */
.role-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.role-admin { background: #fce8ef; color: var(--color-brand); }
.role-user  { background: #eff6ff; color: #1d4ed8; }

/* ===== Toggle Switch ===== */
.toggle-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
}

.toggle {
  position: relative;
  width: 40px;
  height: 22px;
  flex-shrink: 0;
}

.toggle input { opacity: 0; width: 0; height: 0; }

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--color-border);
  border-radius: 100px;
  cursor: pointer;
  transition: background var(--transition);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  left: 3px;
  top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform var(--transition);
  box-shadow: 0 1px 3px rgba(0,0,0,.2);
}

.toggle input:checked + .toggle-slider { background: var(--color-brand); }
.toggle input:checked + .toggle-slider::before { transform: translateX(18px); }

/* ===== Burger-Menü ===== */
.burger-menu {
  position: relative;
}

.burger-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  padding: 8px 9px;
  transition: border-color var(--transition), background var(--transition);
}

.burger-btn:hover {
  border-color: var(--color-brand);
  background: rgba(160,20,65,.05);
}

.burger-btn span {
  display: block;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 220ms ease, opacity 220ms ease, width 220ms ease;
  transform-origin: center;
}

.burger-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger-btn.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.burger-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.burger-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 200px;
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: none;
  z-index: 200;
}

.burger-dropdown.open { display: block; }

.burger-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  transition: background var(--transition);
}

.burger-item:hover { background: var(--color-bg-subtle); color: var(--color-brand); }

.burger-item svg { width: 16px; height: 16px; flex-shrink: 0; color: var(--color-text-muted); }

.burger-item:hover svg { color: var(--color-brand); }

.burger-divider {
  height: 1px;
  background: var(--color-border);
  margin: 4px 0;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-bg-dark);
  color: rgba(255,255,255,.5);
  text-align: center;
  padding: 20px 24px;
  font-size: 12px;
  margin-top: auto;
}

.site-footer a { color: rgba(255,255,255,.7); text-decoration: none; }
.site-footer a:hover { color: #fff; }

/* ===== Toast ===== */
#toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--color-bg-dark);
  color: #fff;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  font-size: 14px;
  box-shadow: var(--shadow-lg);
  transform: translateY(16px);
  opacity: 0;
  transition: opacity 220ms, transform 220ms;
  pointer-events: none;
  z-index: 9999;
}

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

/* ===== Responsive ===== */
@media (max-width: 600px) {
  .header-inner { padding: 0 16px; }
  .card-header { padding: 22px 20px 18px; }
  .card-body { padding: 22px 20px; }
  .main { margin: 24px auto; }
  .password-box { font-size: 18px; }
}