/* ======================================================
   App shell
====================================================== */

.app {
  height: 100vh;
  overflow: hidden;
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  position: relative;
}

/* Background */
.app-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(
      60rem 30rem at 50% 110%,
      rgba(255,255,255,0.06),
      transparent
    ),
    linear-gradient(
      to bottom,
      var(--color-bg-secondary),
      #020409
    );
}

/* ======================================================
   Layout helpers
====================================================== */

.container {
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 2.5rem);
}

/* ======================================================
   Header
====================================================== */

.app-header {
  padding-block: 2rem;
}

.app-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.brand span {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.25em;
}

.header-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.status-label {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
}

@media (max-width: 640px) {
  .status-label {
    display: none;
  }
}

/* ======================================================
   Main / Hero
====================================================== */

.app-main {
  height: calc(100vh - 160px);
  display: flex;
  align-items: flex-start;
}

.hero {
  width: 100%;
  padding-top: clamp(4rem, 10vh, 6rem);
  padding-bottom: clamp(3rem, 8vh, 5rem);
}

.hero-content {
  max-width: 48rem;
}

.hero-content h1 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero-content h1 span {
  display: block;
  margin-top: 0.3em;
  color: rgba(255, 255, 255, 0.7);
}

.hero-content p {
  margin-top: 1.5rem;
  max-width: 38rem;
  font-size: clamp(1rem, 2.5vw, 1.125rem);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.75);
}

/* ======================================================
   Hero actions
====================================================== */

.hero-actions {
  margin-top: 2.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
    && .btn-outline {
    border-color: var(--color-accent);
    color: var(--color-text-primary);
    }

  && .btn-outline:hover {
    background: var(--color-accent);
    }
}

.btn-outline {
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.25);
  background: transparent;
  color: var(--color-text-primary);
  text-decoration: none;
  font-size: 0.85rem;
  transition: border-color var(--transition-base),
              background var(--transition-base),
              color var(--transition-base);
}

/* Light theme accent */
:root:not([data-theme="dark"]) .btn-outline {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

:root:not([data-theme="dark"]) .btn-outline:hover {
  background: var(--color-accent-soft);
}

/* ======================================================
   Footer
====================================================== */

.app-footer {
  height: 80px;
  padding-bottom: 2rem;
  display: flex;
  align-items: flex-end;
  color: rgba(255,255,255,0.75);
}

.app-footer .container {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.7rem;
}

/* ======================================================
   Theme toggle
====================================================== */

.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(0,0,0,0.1);
  background: transparent;
  color: var(--color-text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color var(--transition-base),
              color var(--transition-base);
}

:root[data-theme="dark"] .theme-toggle {
  border-color: rgba(255,255,255,0.2);
}

:root:not([data-theme="dark"]) .theme-toggle {
  color: var(--color-accent);
}

.theme-toggle:hover {
  border-color: var(--color-accent);
  color: var(--color-text-primary);
}

.theme-toggle svg {
  width: 16px;
  height: 16px;
}