* { box-sizing: border-box; }
html { color: var(--color-text); background: var(--color-background); font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
body { margin: 0; min-width: 280px; }
a { color: var(--color-primary); }
button, input { font: inherit; }
.app-header { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: var(--spacing-sm); min-height: 58px; padding: 8px max(16px, env(safe-area-inset-left)); background: rgba(244, 242, 237, .94); border-bottom: 1px solid var(--color-border); backdrop-filter: blur(14px); }
.brand { font-size: 1.2rem; font-weight: 850; text-decoration: none; letter-spacing: -.04em; }
.app-nav { display: flex; align-items: center; gap: 14px; overflow-x: auto; font-size: var(--font-size-sm); white-space: nowrap; }
.app-nav a, .link-button { color: var(--color-text); text-decoration: none; background: none; border: 0; padding: 10px 0; cursor: pointer; }
.app-nav form { margin: 0; }
.page-shell { width: min(100%, 1100px); margin: 0 auto; padding: 24px 16px 80px; }
.page-heading { margin-bottom: var(--spacing-lg); }
.page-heading.compact { margin-bottom: var(--spacing-md); }
.page-heading h1 { margin: 2px 0; font-size: clamp(1.75rem, 8vw, 2.7rem); line-height: 1; letter-spacing: -.045em; }
.eyebrow, .object-name { margin: 0 0 5px; color: var(--color-text-muted); font-size: .78rem; font-weight: 750; text-transform: uppercase; letter-spacing: .08em; }
.muted { color: var(--color-text-muted); }
.task-list { display: grid; gap: 12px; }
.task-card { padding: 18px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.task-card-overdue { border-color: #e9bc8d; }
.task-card h2 { margin: 2px 0 8px; font-size: var(--font-size-lg); }
.task-card-top, .task-card-bottom, .section-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.task-card-top time { color: var(--color-text-muted); font-size: var(--font-size-sm); }
.task-card-bottom { margin-top: 18px; }
.instruction { margin: 0; color: var(--color-text-muted); }
.badge { display: inline-flex; align-items: center; min-height: 28px; padding: 4px 9px; border-radius: 999px; background: #e9ecea; color: var(--color-text-muted); font-size: .78rem; font-weight: 750; }
.badge-success { background: #dff2e8; color: var(--color-success); }
.badge-warning { background: #fff0dc; color: var(--color-warning); }
.button { display: inline-flex; min-height: var(--tap-size); align-items: center; justify-content: center; gap: 8px; padding: 11px 18px; border: 0; border-radius: var(--radius-md); font-weight: 750; text-decoration: none; cursor: pointer; }
.button:disabled { cursor: wait; opacity: .5; }
.button-primary { color: white; background: var(--color-primary); }
.button-secondary { color: var(--color-primary); background: var(--color-primary-soft); }
.button-wide { width: 100%; }
.auth-card { width: min(100%, 420px); margin: 7vh auto; padding: 28px; background: var(--color-surface); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.stack-form { display: grid; gap: var(--spacing-md); }
.stack-form label { display: grid; gap: 7px; font-weight: 650; }
.stack-form input, .date-nav input { width: 100%; min-height: var(--tap-size); padding: 10px 12px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); background: white; }
.error-box { margin: 10px 0; padding: 12px; border-radius: var(--radius-sm); background: #fbe5e5; color: var(--color-danger); }
.hidden { display: none !important; }
.store-list { display: grid; gap: 10px; }
.store-choice { display: flex; align-items: center; justify-content: space-between; min-height: 64px; padding: 16px; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: white; font-weight: 750; cursor: pointer; }
.empty-state { padding: 38px 20px; text-align: center; color: var(--color-text-muted); background: rgba(255,255,255,.65); border: 1px dashed var(--color-border); border-radius: var(--radius-lg); }
.empty-state strong { color: var(--color-text); font-size: var(--font-size-lg); }
.back-link { display: inline-block; min-height: 44px; margin-bottom: 10px; text-decoration: none; }
.upload-panel { display: grid; gap: var(--spacing-md); }
.file-picker input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.selected-files { display: grid; gap: 10px; }
.selected-file { display: grid; grid-template-columns: 68px 1fr auto; align-items: center; gap: 10px; padding: 8px; background: white; border-radius: var(--radius-md); }
.selected-file img { width: 68px; height: 68px; object-fit: cover; border-radius: var(--radius-sm); }
.selected-file-actions { display: flex; gap: 4px; }
.mini-button { min-width: 40px; min-height: 40px; border: 0; border-radius: 10px; background: var(--color-primary-soft); cursor: pointer; }
.upload-progress { height: 8px; overflow: hidden; background: var(--color-border); border-radius: 999px; }
.upload-progress span { display: block; width: 0; height: 100%; background: var(--color-success); transition: width .2s; }
.coverage { margin: 8px 0 0; color: var(--color-text-muted); }
.date-nav { display: grid; grid-template-columns: var(--tap-size) 1fr var(--tap-size); gap: 8px; margin-bottom: 12px; }
.icon-button { display: grid; place-items: center; min-height: var(--tap-size); background: white; border-radius: var(--radius-sm); text-decoration: none; }
.segmented { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; margin-bottom: 18px; padding: 4px; background: #e4e6e3; border-radius: var(--radius-md); }
.segmented a { padding: 10px; text-align: center; text-decoration: none; border-radius: 12px; }
.segmented a.active { background: white; box-shadow: 0 2px 8px rgba(0,0,0,.06); font-weight: 750; }
.photo-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.photo-card { position: relative; min-width: 0; aspect-ratio: 1 / 1.05; overflow: hidden; padding: 0; border: 0; border-radius: var(--radius-md); background: #dfe3e0; cursor: pointer; text-align: left; }
.photo-card img { width: 100%; height: 100%; object-fit: cover; }
.photo-meta { position: absolute; inset: auto 0 0; display: grid; padding: 28px 10px 9px; color: white; background: linear-gradient(transparent, rgba(0,0,0,.75)); }
.photo-meta small { opacity: .88; }
.photo-group, .compare-block { margin: 24px 0; }
.section-heading { margin-bottom: 10px; }
.section-heading h2, .section-heading p { margin: 0; }
.compare-strip { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(175px, 72vw); gap: 10px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 8px; }
.compare-strip .photo-card { scroll-snap-align: start; }
@media (min-width: 680px) { .photo-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; } .task-list { grid-template-columns: repeat(2, minmax(0, 1fr)); } }