/* ── App shell ── */

/*
  Mobile layout (column):   login | main-content | bottom-nav (sticky)
  Tablet layout (row):      bottom-nav (sidebar) | main-content
*/

#app {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  min-height: 100vh;
}

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* Screens */
.screen {
  display: none;
  flex: 1;
  flex-direction: column;
  min-height: 0;
}
.screen.is-active {
  display: flex;
}

/* ── Header ── */

.app-header {
  height: var(--header-height);
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.app-header-logo {
  display: flex;
  align-items: center;
}
.app-header-logo svg path[fill="black"],
.app-header-logo svg path:not([fill^="url"]) {
  fill: #fff !important;
}

.app-header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.header-icon-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: #fff;
  position: relative;
  transition: background var(--transition-fast);
}
.header-icon-btn:hover { background: rgba(255,255,255,0.15); }

/* ── Bottom nav ── */

.bottom-nav {
  height: var(--nav-height);
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: stretch;
  flex-shrink: 0;
  position: sticky;
  bottom: 0;
  z-index: 100;
}

.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  color: var(--color-text-muted);
  font-size: 11px;
  font-weight: var(--font-weight-medium);
  position: relative;
  transition: color var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}
.nav-item.is-active {
  color: var(--color-primary);
}
.nav-item.is-active svg { stroke: var(--color-primary); }

/* ── Screen: Login ── */

.screen-login {
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  background: var(--color-bg-page);
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  box-shadow: var(--shadow-card-hover);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.login-logo {
  display: flex;
  justify-content: center;
}

.login-title {
  text-align: center;
}
.login-title h1 {
  font-size: var(--font-size-lg);
  color: var(--color-deep);
  margin-bottom: 6px;
}
.login-title p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ── Screen: Record ── */

.screen-record {
  flex-direction: column;
  overflow-y: auto;
}

.record-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
  overflow-y: auto;
}

.record-zone {
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-card);
}

.record-zone-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.record-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  width: 100%;
}

/* native hidden attribute must override all display rules */
[hidden] { display: none !important; }

.record-save-btn {
  animation: fade-in 200ms ease;
}
@keyframes fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.text-zone {
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--shadow-card);
}
.text-zone-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ── Screen: History ── */

.screen-history {
  flex-direction: column;
  overflow: hidden;
}

.history-header {
  padding: 16px 16px 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}
.history-header h2 {
  margin-bottom: 12px;
}

.history-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.report-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ── Login screen full width ── */

body.is-login #app {
  flex-direction: column;
}
body.is-login .main-content {
  display: none !important;
}

/* ── Offline bar push ── */

body.is-offline .screen-record .record-body,
body.is-offline .screen-history .history-body {
  padding-top: calc(16px + var(--offline-bar-height));
}
body.is-offline .app-header {
  top: var(--offline-bar-height);
}

/* ── Tablet: side nav ── */

@media (min-width: 768px) {
  #app {
    flex-direction: row;
    align-items: stretch;
  }

  /* nav comes first visually (left sidebar), main-content fills rest */
  .bottom-nav   { order: -1; }
  .main-content { overflow: hidden; }

  .bottom-nav {
    width: 200px;
    height: 100dvh;
    height: 100vh;
    flex-direction: column;
    align-items: stretch;
    border-top: none;
    border-right: 1px solid var(--color-border);
    background: var(--color-bg);
    position: sticky;
    top: 0;
    padding: 20px 0 16px;
    gap: 4px;
    flex-shrink: 0;
  }

  .nav-item {
    flex: none;
    flex-direction: row;
    justify-content: flex-start;
    gap: 12px;
    padding: 13px 16px;
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    margin-right: 10px;
    font-size: var(--font-size-base);
  }
  .nav-item.is-active {
    background: var(--color-primary-light);
  }
  .nav-item.is-active svg { stroke: var(--color-primary); }

  .app-header {
    position: sticky;
    top: 0;
    z-index: 100;
  }

  body.is-offline .screen-record .record-body,
  body.is-offline .screen-history .history-body {
    padding-top: 16px;
  }
}

/* ── Wide tablet / desktop ── */

@media (min-width: 1024px) {
  .record-body {
    max-width: 680px;
    margin: 0 auto;
    width: 100%;
    padding: 24px;
  }

  .record-zone {
    padding: 36px 32px;
  }

  .history-body {
    max-width: 720px;
    margin: 0 auto;
    width: 100%;
    padding: 24px;
  }

  .login-card {
    padding: 40px 36px;
  }
}

/* ── Two-column record on landscape mobile / small tablet ── */

@media (min-width: 600px) and (max-width: 767px) {
  .record-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "record text"
      "geo    text";
    gap: 12px;
    align-items: start;
  }
  .record-zone    { grid-area: record; }
  .geo-wrap       { grid-area: geo; }
  .text-zone      { grid-area: text; }
}