/* ════════════════════════════════════════════════════════════════
   Trip Gallery Manager — Frontend Styles
   ════════════════════════════════════════════════════════════════ */

/* ── Root ─────────────────────────────────────────────────────── */
.tgm {
    --tgm-primary:     #1a1a2e;
    --tgm-primary-hov: #16213e;
    --tgm-accent:      #0f7960;
    --tgm-accent-hov:  #0d6b53;
    --tgm-border:      #e2e2e8;
    --tgm-bg:          #f7f7fa;
    --tgm-radius:      10px;
    --tgm-shadow:      0 2px 16px rgba(0,0,0,.08);
    font-family: inherit;
    color: #222;
    max-width: 960px;
    margin: 0 auto;
}

/* ── Buttons ──────────────────────────────────────────────────── */
.tgm-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 20px;
    border: none;
    border-radius: 7px;
    font-size: .9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .18s, color .18s, border-color .18s, transform .12s;
    text-decoration: none;
    line-height: 1.3;
}
.tgm-btn:active  { transform: scale(.97); }
.tgm-btn-primary { background: var(--tgm-primary); color: #fff; }
.tgm-btn-primary:hover { background: var(--tgm-primary-hov); color: #fff; }
.tgm-btn-full    { width: 100%; justify-content: center; }
.tgm-btn-ghost   { background: transparent; color: #555; border: 1.5px solid var(--tgm-border); }
.tgm-btn-ghost:hover { background: var(--tgm-bg); }
.tgm-btn-sm      { padding: 5px 14px; font-size: .82rem; }
.tgm-btn-lock    { background: transparent; color: var(--tgm-primary); border: 1.5px solid var(--tgm-primary); white-space: nowrap; }
.tgm-btn-lock:hover { background: var(--tgm-primary); color: #fff; }
.tgm-btn-open    { background: var(--tgm-accent); color: #fff; white-space: nowrap; }
.tgm-btn-open:hover { background: var(--tgm-accent-hov); }
.tgm-link {
    background: none;
    border: none;
    color: var(--tgm-primary);
    text-decoration: underline;
    cursor: pointer;
    padding: 0;
    font-size: inherit;
}

/* ── Inputs ───────────────────────────────────────────────────── */
.tgm-input {
    width: 100%;
    box-sizing: border-box;
    padding: 11px 14px;
    border: 1.5px solid var(--tgm-border);
    border-radius: 7px;
    font-size: .95rem;
    margin-bottom: 12px;
    transition: border-color .2s;
    background: #fff;
}
.tgm-input:focus {
    outline: none;
    border-color: var(--tgm-primary);
}
.tgm-error {
    color: #c0392b;
    font-size: .84rem;
    min-height: 18px;
    margin: 4px 0 0;
}

/* ── Trip Cards ───────────────────────────────────────────────── */
.tgm-trips       { display: flex; flex-direction: column; gap: 14px; }
.tgm-trip-card   { border: 1.5px solid var(--tgm-border); border-radius: var(--tgm-radius); overflow: hidden; background: #fff; box-shadow: var(--tgm-shadow); }
.tgm-trip-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 22px;
    background: var(--tgm-primary);
    color: #fff;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: background .18s;
}
.tgm-trip-header:hover { background: var(--tgm-primary-hov); }
.tgm-trip-name   { font-size: 1.05rem; font-weight: 700; }
.tgm-trip-chevron { font-size: .8rem; transition: transform .2s; }
.tgm-trip-header.is-collapsed .tgm-trip-chevron { transform: rotate(-90deg); }
.tgm-trip-desc   { margin: 0; padding: 10px 22px; background: #f3f3f8; color: #555; font-size: .88rem; border-bottom: 1px solid var(--tgm-border); }

/* ── Date Rows ────────────────────────────────────────────────── */
.tgm-date-list   { }
.tgm-date-row    {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 13px 22px;
    border-bottom: 1px solid var(--tgm-border);
}
.tgm-date-row:last-child { border-bottom: none; }
.tgm-date-icon   { font-size: 1rem; flex-shrink: 0; }
.tgm-date-name   { flex: 1; font-size: .94rem; color: #333; }

/* ── Modal / Overlay ──────────────────────────────────────────── */
.tgm-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.55);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s;
}
.tgm-overlay.is-open {
    opacity: 1;
    pointer-events: all;
}
.tgm-modal {
    background: #fff;
    border-radius: 14px;
    padding: 40px 36px 36px;
    max-width: 400px;
    width: calc(100% - 40px);
    position: relative;
    box-shadow: 0 8px 40px rgba(0,0,0,.2);
    text-align: center;
    transform: translateY(16px);
    transition: transform .22s;
}
.tgm-overlay.is-open .tgm-modal { transform: translateY(0); }
.tgm-modal-close {
    position: absolute;
    top: 14px;
    right: 16px;
    background: none;
    border: none;
    font-size: 1.4rem;
    color: #aaa;
    cursor: pointer;
    line-height: 1;
}
.tgm-modal-close:hover { color: #555; }
.tgm-modal-icon  { font-size: 2.4rem; margin-bottom: 8px; display: block; }
.tgm-modal-title { margin: 0 0 6px; font-size: 1.2rem; }
.tgm-modal-sub   { margin: 0 0 20px; color: #666; font-size: .88rem; }
.tgm-modal .tgm-input { text-align: left; }
.tgm-modal .tgm-btn-primary { margin-top: 4px; }

/* ── Panel ────────────────────────────────────────────────────── */
.tgm-panel { }
.tgm-panel-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.tgm-panel-title-wrap { flex: 1; }
.tgm-panel-title { margin: 0; font-size: 1.3rem; padding-top: 6px; }
.tgm-user-bar    { display: flex; align-items: center; gap: 10px; padding-top: 8px; font-size: .88rem; color: #555; }
.tgm-user-name   { }

/* ── Tabs ─────────────────────────────────────────────────────── */
.tgm-tabs {
    display: flex;
    border-bottom: 2.5px solid var(--tgm-border);
    margin-bottom: 26px;
}
.tgm-tab {
    background: none;
    border: none;
    padding: 12px 26px;
    font-size: .94rem;
    font-weight: 600;
    color: #888;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    margin-bottom: -2.5px;
    transition: color .18s, border-color .18s;
}
.tgm-tab.is-active { color: var(--tgm-primary); border-bottom-color: var(--tgm-primary); }
.tgm-tab:hover:not(.is-active) { color: #444; }

/* ── Gallery / Masonry ────────────────────────────────────────── */
.tgm-masonry {
    columns: 3;
    column-gap: 12px;
}
@media (max-width: 700px) { .tgm-masonry { columns: 2; } }
@media (max-width: 440px) { .tgm-masonry { columns: 1; } }

.tgm-photo {
    break-inside: avoid;
    position: relative;
    margin-bottom: 12px;
    border-radius: 8px;
    overflow: hidden;
    background: #eee;
}
.tgm-photo img {
    display: block;
    width: 100%;
    border-radius: 8px;
    transition: transform .3s ease;
}
.tgm-photo:hover img { transform: scale(1.04); }
.tgm-photo-hover {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.38);
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    padding: 12px;
    opacity: 0;
    transition: opacity .22s;
    border-radius: 8px;
}
.tgm-photo:hover .tgm-photo-hover { opacity: 1; }
.tgm-dl-btn {
    background: rgba(255,255,255,.95);
    color: #1a1a2e;
    padding: 6px 14px;
    border-radius: 6px;
    font-size: .82rem;
    font-weight: 700;
    text-decoration: none;
    transition: background .18s;
}
.tgm-dl-btn:hover { background: #fff; }
.tgm-gallery-empty {
    text-align: center;
    padding: 60px 20px;
    color: #aaa;
    font-size: 1rem;
}
.tgm-loading { text-align: center; color: #aaa; padding: 40px 0; font-size: .95rem; }

/* ── Auth ─────────────────────────────────────────────────────── */
.tgm-auth          { max-width: 420px; margin: 0 auto; }
.tgm-auth-switch   { display: flex; gap: 10px; margin-bottom: 24px; }
.tgm-auth-tab      { background: none; border: 2px solid var(--tgm-border); padding: 8px 22px; border-radius: 8px; font-size: .9rem; font-weight: 600; color: #777; cursor: pointer; transition: all .18s; }
.tgm-auth-tab.is-active { border-color: var(--tgm-primary); color: var(--tgm-primary); }
.tgm-auth-pane h3  { margin-top: 0; margin-bottom: 18px; font-size: 1.05rem; }

/* ── Upload ───────────────────────────────────────────────────── */
.tgm-upload          { max-width: 540px; margin: 0 auto; }
.tgm-uploader-header { margin-bottom: 20px; }
.tgm-uploader-header h3 { margin: 0 0 4px; }
.tgm-uploader-header p  { margin: 0; color: #666; font-size: .88rem; }

.tgm-dropzone {
    border: 2.5px dashed #c8c8d8;
    border-radius: var(--tgm-radius);
    padding: 10px;
    text-align: center;
    cursor: pointer;
    transition: border-color .2s, background .2s;
}
.tgm-dropzone.is-over { border-color: var(--tgm-primary); background: #f0f0ff; }
.tgm-dropzone-inner  { padding: 30px 20px; }
.tgm-drop-icon       { font-size: 2rem; display: block; margin-bottom: 8px; }
.tgm-dropzone-inner p { margin: 4px 0; color: #555; font-size: .9rem; }
.tgm-drop-or         { color: #aaa; font-size: .82rem !important; }
.tgm-drop-hint       { font-size: .78rem; color: #aaa; margin: 8px 0 0 !important; }

.tgm-queue { margin: 16px 0 12px; display: flex; flex-direction: column; gap: 8px; }
.tgm-queue-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    background: var(--tgm-bg);
    border-radius: 7px;
    font-size: .84rem;
    color: #444;
}
.tgm-queue-thumb { width: 42px; height: 42px; object-fit: cover; border-radius: 5px; flex-shrink: 0; }
.tgm-queue-name  { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tgm-queue-size  { color: #999; flex-shrink: 0; }

#tgm-upload-actions { display: flex; gap: 10px; margin-bottom: 12px; }
.tgm-upload-msg { color: var(--tgm-accent); font-size: .88rem; font-weight: 600; min-height: 20px; }