/*
 * Camera features (PLAN.md §10): scan buttons beside fields, the full-screen scanner and the photo strip.
 * Colours come from the main app's tokens: the scanner uses the navigation bar colours, like the app bar.
 */

/* ---- Scan button beside text and select fields ------------------------------------------------------------- */

.scan-field {
    display: flex;
    gap: var(--spacing-small);
    width: 100%;
    min-width: 0;
}

.scan-field > input,
.scan-field > .select-field__button {
    flex: 1;
    min-width: 0;
}

.scan-button {
    display: inline-flex;
    flex: none;
    align-items: center;
    justify-content: center;
    width: var(--capture-tap-target);
    min-height: var(--capture-tap-target);
    padding: 0;
    font-size: 18px;
}

.scan-button[hidden] {
    display: none;
}

/* ---- Scanner overlay ------------------------------------------------------------------------------------ */

.scanner {
    position: fixed;
    inset: 0;
    width: 100%;
    max-width: none;
    height: 100%;
    max-height: none;
    margin: 0;
    padding: 0;
    border: 0;
    background: rgb(var(--background-navbar));
    color: rgb(var(--textcolor-navbar-link));
    overflow: hidden;
}

.scanner::backdrop {
    background: rgb(var(--background-navbar));
}

.scanner__video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Viewfinder: a clear window in a dimmed frame */
.scanner__frame {
    position: absolute;
    top: 50%;
    left: 50%;
    width: min(72vw, 320px);
    height: min(44vw, 200px);
    border: 3px solid rgb(var(--textcolor-navbar-link));
    border-radius: var(--border-radius-large);
    box-shadow: 0 0 0 100vmax rgba(var(--background-navbar), 0.45);
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.scanner__top {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    padding: calc(env(safe-area-inset-top) + var(--spacing-medium)) var(--capture-gutter) var(--spacing-medium);
    text-align: center;
}

.scanner__title {
    margin: 0;
    color: inherit;
    font-size: var(--size-subtitle);
    font-weight: var(--fontweight-semibold);
}

.scanner__message {
    position: absolute;
    top: 50%;
    right: var(--capture-gutter);
    left: var(--capture-gutter);
    margin: 0;
    padding: var(--spacing-medium);
    border-radius: var(--border-radius-small);
    background: rgb(var(--background-warning));
    color: rgb(var(--textcolor-warning));
    text-align: center;
    transform: translateY(-50%);
}

.scanner__message[hidden] {
    display: none;
}

.scanner__actions {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    justify-content: center;
    gap: var(--spacing-medium);
    padding: var(--spacing-medium) var(--capture-gutter) calc(env(safe-area-inset-bottom) + var(--spacing-large));
}

.scanner__actions .btn {
    min-width: 120px;
    min-height: var(--capture-tap-target);
    justify-content: center;
}

.scanner__torch[hidden] {
    display: none;
}

.scanner__torch[aria-pressed='true'] {
    background: rgb(var(--background-warning));
    color: rgb(var(--textcolor-warning));
}

/* ---- Photo strip ------------------------------------------------------------------------------------------ */

.photo-strip {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-small);
    margin: 0 0 var(--spacing-medium-large);
}

.photo-strip[hidden],
.photo-strip__list[hidden],
.photo-strip__status[hidden],
.photo-strip__error[hidden],
.photo-strip__pending[hidden] {
    display: none;
}

.photo-strip__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-small);
}

.photo-strip__title {
    margin: 0;
    color: var(--capture-color-text);
    font-size: inherit; /* same as the field labels above */
    font-weight: var(--fontweight-semibold);
}

.photo-strip__meter {
    font-variant-numeric: tabular-nums;
}

.photo-strip__meter--full {
    background: rgb(var(--background-warning));
    color: rgb(var(--textcolor-warning));
}

.photo-strip__list {
    display: flex;
    gap: var(--spacing-small);
    margin: 0;
    padding: 0 0 var(--spacing-extra-small);
    overflow-x: auto;
    list-style: none;
    scroll-snap-type: x proximity;
}

.photo-strip__item {
    position: relative;
    flex: none;
    width: 96px;
    height: 96px;
    padding: 0;
    scroll-snap-align: start;
}

.photo-strip__image {
    display: block;
    width: 100%;
    height: 100%;
    border: 1px solid var(--capture-color-border);
    border-radius: var(--border-radius-small);
    object-fit: cover;
}

.photo-strip__pending {
    position: absolute;
    bottom: var(--spacing-extra-small);
    left: var(--spacing-extra-small);
}

/* 44px target over the corner of the thumbnail */
.photo-strip__remove {
    position: absolute;
    top: -6px;
    right: -6px;
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    width: var(--capture-tap-target);
    height: var(--capture-tap-target);
    padding: 0;
    border: 0;
    background: none;
    cursor: pointer;
}

.photo-strip__remove .icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgb(var(--background-upper));
    box-shadow: var(--main-box-shadow);
    color: rgb(var(--icon-error));
    cursor: inherit;
}

.photo-strip__status {
    margin: 0;
    color: var(--capture-color-text-secondary);
    font-size: var(--size-base);
}

.photo-strip__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-small);
}

.photo-strip__button {
    position: relative;
    min-height: var(--capture-tap-target);
    cursor: pointer;
}

.photo-strip__button--busy {
    opacity: 0.6;
    pointer-events: none;
}

/* The file input covers its label-button so the native picker opens on tap (no hidden-input tricks needed). */
.photo-strip__input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

/* Font Awesome 7 Pro "camera" (f030), from the main app's icon font; styles.css has no class for it. */
.icon-camera:before {
    content: '\f030';
}

/* More room between icon and text on Take photo / Upload */
.photo-strip__button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-small);
}

.photo-strip__actions[hidden],
.photo-strip__meter[hidden],
.photo-strip__remove[hidden] {
    display: none;
}