/* =========================================================================
   Silverback — app.css
   Dark-theme production stylesheet. All component styling lives here;
   templates never contain <style> blocks (Kolon <: :> syntax conflict).
   ========================================================================= */

:root {
  --color-primary:     #6366f1;
  --color-primary-dk:  #4338ca;
  --color-danger:      #ef4444;
  --color-success:     #22c55e;
  --color-text:        #e5e7eb;
  --color-muted:       #9ca3af;
  --color-bg:          #0b0c10;
  --color-surface:     #15171c;
  --color-border:      #262a33;
  --radius:            8px;
  --shadow:            0 4px 14px rgba(0, 0, 0, 0.45);
  --font-sans:         -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono:         "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --max-w:             1100px;
}

/* -------------------------------------------------------------------------
   Reset
   ------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

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

h1, h2, h3, h4 { margin: 0 0 0.5em; line-height: 1.25; }
p { margin: 0 0 1em; }

img, svg { max-width: 100%; display: block; }

code, pre {
  font-family: var(--font-mono);
}

/* -------------------------------------------------------------------------
   Navigation
   ------------------------------------------------------------------------- */
.site-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.navbar {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-text);
}
.navbar-brand:hover { text-decoration: none; color: var(--color-primary); }

.navbar-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.navbar-link { color: var(--color-muted); font-weight: 500; }
.navbar-link:hover { color: var(--color-text); text-decoration: none; }

.navbar-link-cta {
  color: #fff;
  background-color: var(--color-primary);
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius);
}
.navbar-link-cta:hover { background-color: var(--color-primary-dk); text-decoration: none; }

.navbar-logout-form { margin: 0; }

/* -------------------------------------------------------------------------
   Main content
   ------------------------------------------------------------------------- */
.main-content {
  flex: 1;
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* -------------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  background-color: var(--color-surface);
  color: var(--color-muted);
  text-align: center;
  font-size: 0.85rem;
  padding: 1.25rem 1.5rem;
}

/* -------------------------------------------------------------------------
   Alerts
   ------------------------------------------------------------------------- */
.alert {
  max-width: var(--max-w);
  margin: 1rem auto 0;
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 0.95rem;
}

.alert-success {
  background-color: rgba(34, 197, 94, 0.12);
  border-color: rgba(34, 197, 94, 0.4);
  color: var(--color-success);
}

.alert-error {
  background-color: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.4);
  color: var(--color-danger);
}

/* -------------------------------------------------------------------------
   Buttons
   ------------------------------------------------------------------------- */
.btn {
  display: inline-block;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 0.6rem 1.1rem;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background-color: var(--color-primary-dk); }

.btn-block { display: block; width: 100%; text-align: center; }

.btn-link {
  background: none;
  border: none;
  padding: 0;
  color: var(--color-muted);
  font-weight: 500;
  cursor: pointer;
}
.btn-link:hover { color: var(--color-danger); text-decoration: underline; }

/* -------------------------------------------------------------------------
   Forms
   ------------------------------------------------------------------------- */
.form-group { margin-bottom: 1.1rem; }

.form-label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-muted);
}

.form-control {
  width: 100%;
  padding: 0.6rem 0.75rem;
  font: inherit;
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}
.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

.form-actions { margin-top: 1.4rem; }

/* -------------------------------------------------------------------------
   Auth card
   ------------------------------------------------------------------------- */
.auth-card {
  max-width: 420px;
  margin: 2.5rem auto;
  padding: 2rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.auth-card h1 {
  font-size: 1.4rem;
  text-align: center;
  margin-bottom: 1.5rem;
}

/* -------------------------------------------------------------------------
   Welcome page
   ------------------------------------------------------------------------- */
.hero {
  text-align: center;
  padding: 3.5rem 1rem 2.5rem;
}

.hero h1 {
  font-size: 2.25rem;
  margin-bottom: 0.5rem;
}

.hero p.tagline {
  color: var(--color-muted);
  font-size: 1.1rem;
  margin-bottom: 1.75rem;
}

.env-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background-color: rgba(99, 102, 241, 0.15);
  color: var(--color-primary);
  margin-bottom: 1.25rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.feature-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: left;
}

.feature-card h3 {
  font-size: 1rem;
  color: var(--color-text);
}

.feature-card p {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin: 0;
}

/* -------------------------------------------------------------------------
   Dashboard
   ------------------------------------------------------------------------- */
.dashboard-header {
  margin-bottom: 2rem;
}

.dashboard-header h1 { font-size: 1.6rem; }
.dashboard-header p { color: var(--color-muted); }

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.dashboard-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.dashboard-card h2 {
  font-size: 1.05rem;
  margin-bottom: 1rem;
}

.detail-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.detail-list li {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}
.detail-list li:last-child { border-bottom: none; }
.detail-list span.label { color: var(--color-muted); }

.action-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

/* -------------------------------------------------------------------------
   Error pages
   ------------------------------------------------------------------------- */
.error-page {
  text-align: center;
  padding: 4rem 1rem;
}

.error-code {
  font-size: 4.5rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.error-title {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
}

.error-message {
  color: var(--color-muted);
  max-width: 480px;
  margin: 0 auto 1.75rem;
}

.error-trace {
  text-align: left;
  max-width: var(--max-w);
  margin: 0 auto 1.5rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem;
}

.error-trace summary {
  cursor: pointer;
  color: var(--color-muted);
  font-weight: 600;
}

.error-trace pre {
  margin-top: 0.75rem;
  overflow-x: auto;
  font-size: 0.8rem;
  color: var(--color-danger);
  white-space: pre-wrap;
}