/* ===================================================================
   ATQAN — frontend/css/features/layout.css
   =================================================================== */

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

body {
  font-family: var(--font-family);
  background-color: var(--md-bg);
  color: var(--md-text);
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding: 48px 24px 100px 24px;
  transition: var(--transition);
}

body.loading-active {
  overflow: hidden !important;
  height: 100vh !important;
}

.hide {
  display: none !important;
}

#form-container {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  z-index: 10;
}

/* Bottom pinned navigation layout */
#pinned-bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--md-surface);
  border-top: 1px solid var(--md-outline-variant);
  padding: 12px 24px;
  display: flex;
  justify-content: center;
}

.bottom-bar-container {
  width: 100%;
  max-width: 680px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.bottom-bar-center {
  font-size: var(--md-type-label-medium-size);
  font-weight: var(--md-type-label-medium-weight);
  color: var(--md-text-sub);
  letter-spacing: var(--md-type-label-medium-ls);
  text-transform: uppercase;
}

#welcome-gradient-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: linear-gradient(135deg, #10b981 0%, #089e6e 25%, #047857 55%, #03523c 80%, #022c22 100%);
  background-size: 400% 400%;
  pointer-events: none;
  z-index: 1;
  opacity: 1;
  transition: opacity 1.2s cubic-bezier(0.2, 0, 0, 1);
  animation: gradient-shift 16s ease infinite;
}

@keyframes gradient-shift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.initial-loading-view {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: #022c22;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 1;
  transition: opacity 0.8s cubic-bezier(0.2, 0, 0, 1);
  will-change: opacity;
}

.initial-loading-view.fade-out {
  opacity: 0;
  pointer-events: none;
}

.initial-loading-view.fade-out .loading-brand-logo {
  transform: scale(0.9);
  opacity: 0;
  transition: transform 1.2s cubic-bezier(0.25, 1, 0.5, 1), opacity 1.0s ease-out;
}

.loading-brand-logo-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  animation: loading-pulse 1.8s ease-in-out infinite;
}

.loading-brand-logo {
  height: 56px;
  width: auto;
  object-fit: contain;
  transition: transform 1.2s cubic-bezier(0.25, 1, 0.5, 1), opacity 1.0s ease-out;
}

.submit-loading-view {
  z-index: 10001;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--md-bg) 92%, var(--md-primary-container));
  overflow: hidden;
}

.submit-loading-view::before {
  content: none;
}

.submit-loading-shell {
  position: relative;
  width: min(92vw, 480px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 28px 22px;
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--radius-card);
  background: var(--md-surface);
  color: var(--md-text);
  border-left: 6px solid var(--md-primary);
}

.submit-loading-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 8px;
  border: 1px solid var(--md-outline-variant);
  background: var(--md-surface-low);
}

.submit-loading-runtime {
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--md-outline-variant);
  background: var(--md-surface-low);
  color: var(--md-text-sub);
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
}

.submit-loading-logo {
  width: 46px;
  height: 46px;
  object-fit: contain;
  animation: loading-pulse 2.2s ease-in-out infinite;
}

.submit-loading-stage {
  min-height: 1.4em;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--md-outline-variant);
  background: var(--md-surface-low);
  color: var(--md-primary);
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
  box-shadow: none;
}

.submit-loading-title {
  margin: 0;
  color: var(--md-text);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
}

.submit-loading-text,
.submit-loading-estimate {
  margin: 0;
  color: var(--md-text-sub);
  font-size: 13px;
  line-height: 1.6;
}

.submit-loading-progress {
  width: 100%;
  background-color: var(--md-surface-low);
}

.submit-loading-estimate {
  min-height: 1.6em;
  color: var(--md-text-sub);
}

@keyframes loading-pulse {
  0%, 100% {
    opacity: 0.6;
    transform: scale(0.98);
    filter: none;
  }
  50% {
    opacity: 1;
    transform: scale(1.02);
    filter: none;
  }
}

@media (min-width: 768px) {
  body {
    padding: 64px 48px 120px 48px;
  }
}

/* ─── MAINTENANCE MODE STYLES ──────────────────────────────────── */
.maintenance-container {
  max-width: 480px;
  width: 90%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 24px;
  padding: 24px;
  z-index: 10001;
}

.maintenance-logo {
  height: 48px;
  width: auto;
  object-fit: contain;
  animation: loading-pulse 2.2s ease-in-out infinite;
}

.maintenance-card {
  background-color: var(--md-surface);
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--radius-card);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.maintenance-icon {
  font-size: 48px;
  color: var(--md-primary);
}

.maintenance-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--md-text);
  margin: 0;
}

.maintenance-subtitle {
  font-size: 14px;
  line-height: 1.6;
  color: var(--md-text-sub);
  margin: 0;
}

.maintenance-status-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background-color: var(--md-surface-low);
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--md-text);
  letter-spacing: 0.5px;
  border: 1px solid var(--md-outline-variant);
  margin-top: 8px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #f59e0b; /* Flat amber */
}

@keyframes pulse-dot {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.35);
    opacity: 0.55;
  }
}

.pulse-amber {
  animation: pulse-dot 1.8s infinite ease-in-out;
}