:root {
    --navy: #103d59;
    --navy-deep: #092f47;
    --coral: #e9524a;
    --yellow: #efb936;
    --ink: #1d3340;
    --muted: #65727a;
    --line: #dfe4e7;
    --paper: #f5f7f7;
    --white: #fff;
    --green: #1e7852;
    --red: #b72f34;
}
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Segoe UI", Arial, sans-serif; line-height: 1.5; }
img { display: block; max-width: 100%; }
a { color: var(--navy); }
button, input, textarea, select { font: inherit; }
:focus-visible { outline: 3px solid var(--yellow); outline-offset: 2px; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); }
.skip-link { position: fixed; z-index: 1000; top: 5px; left: 5px; padding: 10px 15px; color: #fff; background: var(--navy); transform: translateY(-150%); }
.skip-link:focus { transform: none; }
.eyebrow { margin: 0 0 8px; color: var(--coral); font-size: .72rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 10px; font-size: clamp(2rem, 5vw, 3rem); letter-spacing: -.04em; }
h2 { font-size: 1.25rem; }
.admin-shell { min-height: 100vh; display: grid; grid-template-columns: 260px 1fr; }
.admin-sidebar { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; padding: 24px 18px; color: rgba(255,255,255,.8); background: var(--navy-deep); }
.admin-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 40px; color: #fff; text-decoration: none; }
.admin-brand img { width: 50px; height: 50px; border-radius: 50%; }
.admin-brand span { display: grid; }
.admin-brand small { color: rgba(255,255,255,.55); font-size: .7rem; text-transform: uppercase; }
.admin-sidebar nav { display: grid; gap: 5px; }
.admin-sidebar nav a { padding: 11px 13px; color: rgba(255,255,255,.76); border-radius: 9px; text-decoration: none; }
.admin-sidebar nav a:hover, .admin-sidebar nav a[aria-current="page"] { color: #fff; background: rgba(255,255,255,.1); }
.admin-user { margin-top: auto; padding: 16px 12px 0; border-top: 1px solid rgba(255,255,255,.14); }
.admin-user span { display: block; margin-bottom: 5px; color: #fff; font-weight: 700; }
.admin-user button { padding: 0; color: rgba(255,255,255,.65); background: none; border: 0; cursor: pointer; text-decoration: underline; }
.admin-content { min-width: 0; }
.admin-topbar { height: 65px; display: flex; align-items: center; gap: 16px; padding: 0 32px; background: #fff; border-bottom: 1px solid var(--line); font-weight: 700; }
.admin-menu-toggle { display: none; }
.admin-main { max-width: 1380px; margin: 0 auto; padding: 42px 38px 80px; }
.admin-heading { display: flex; justify-content: space-between; gap: 30px; align-items: end; margin-bottom: 30px; }
.admin-heading p:last-child { margin-bottom: 0; color: var(--muted); }
.admin-button { display: inline-flex; min-height: 42px; align-items: center; justify-content: center; padding: 9px 16px; border: 1px solid transparent; border-radius: 9px; font-weight: 700; text-decoration: none; cursor: pointer; }
.admin-button.primary { color: #fff; background: var(--coral); }
.admin-button.secondary { color: var(--navy); background: #fff; border-color: var(--line); }
.admin-button.danger { color: #fff; background: var(--red); }
.admin-button.small { min-height: 35px; padding: 6px 11px; font-size: .85rem; }
.admin-button.full { width: 100%; }
.alert { margin-bottom: 22px; padding: 13px 16px; border-radius: 9px; }
.alert.success { color: #155d3f; background: #dff3e9; border: 1px solid #b8dfcb; }
.alert.error { color: #8c252b; background: #f9e1e2; border: 1px solid #edbfc1; }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-bottom: 28px; }
.stats-grid article { display: grid; padding: 25px; background: #fff; border: 1px solid var(--line); border-radius: 14px; }
.stats-grid span { color: var(--muted); font-size: .82rem; font-weight: 700; text-transform: uppercase; }
.stats-grid strong { color: var(--navy); font-size: 2.3rem; }
.admin-panel { margin-bottom: 26px; padding: 26px; background: #fff; border: 1px solid var(--line); border-radius: 15px; }
.admin-panel.narrow { max-width: 680px; }
.panel-heading { display: flex; justify-content: space-between; gap: 20px; align-items: start; margin-bottom: 22px; }
.panel-heading h2 { margin-bottom: 3px; }
.panel-heading p { margin-bottom: 0; color: var(--muted); }
.admin-table-wrap { overflow-x: auto; }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th, .admin-table td { padding: 14px 12px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
.admin-table th { color: var(--muted); font-size: .75rem; text-transform: uppercase; }
.status { display: inline-block; padding: 4px 8px; border-radius: 999px; font-size: .72rem; font-weight: 800; }
.status.published { color: #14603f; background: #dff3e9; }
.status.draft { color: #735611; background: #fff1c6; }
.admin-empty { padding: 45px 20px; text-align: center; color: var(--muted); background: var(--paper); border-radius: 10px; }
.album-admin-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.album-admin-card { overflow: hidden; border: 1px solid var(--line); border-radius: 13px; }
.album-admin-cover { position: relative; height: 190px; display: grid; place-items: center; color: var(--yellow); background: var(--navy); font-size: 2.3rem; font-weight: 900; }
.album-admin-cover img { width: 100%; height: 100%; object-fit: cover; }
.album-admin-cover .status { position: absolute; top: 10px; right: 10px; }
.album-admin-body { padding: 18px; }
.album-admin-body time { color: var(--coral); font-size: .76rem; font-weight: 800; }
.album-admin-body h2 { margin: 6px 0; }
.album-admin-body p { color: var(--muted); }
.card-actions { display: flex; align-items: center; gap: 14px; }
.album-form { display: grid; grid-template-columns: 1fr 310px; gap: 35px; }
.form-main, .form-side, .stack-form { display: grid; gap: 18px; align-content: start; }
label { display: grid; gap: 7px; color: var(--ink); font-size: .87rem; font-weight: 700; }
input:not([type="checkbox"]), textarea, select { width: 100%; padding: 11px 12px; color: var(--ink); background: #fff; border: 1px solid #cbd4d8; border-radius: 8px; }
textarea { resize: vertical; }
.input-prefix { display: flex; align-items: center; overflow: hidden; border: 1px solid #cbd4d8; border-radius: 8px; }
.input-prefix span { padding: 11px 0 11px 12px; color: var(--muted); background: var(--paper); }
.input-prefix input { border: 0; border-radius: 0; }
.form-side { padding: 20px; background: var(--paper); border-radius: 11px; }
.upload-zone { position: relative; min-height: 230px; display: grid; place-items: center; padding: 25px; border: 2px dashed #b6c5ca; border-radius: 13px; text-align: center; transition: .2s; }
.upload-zone.dragging { background: #edf5f7; border-color: var(--coral); }
.upload-zone input[type="file"] { position: absolute; width: 1px; height: 1px; opacity: 0; }
.upload-zone > label { display: grid; justify-items: center; color: var(--muted); cursor: pointer; }
.upload-zone > label strong { color: var(--ink); font-size: 1.1rem; }
.upload-symbol { display: grid; width: 54px; height: 54px; place-items: center; margin-bottom: 12px; color: #fff; background: var(--coral); border-radius: 50%; font-size: 1.8rem; }
.upload-progress { width: min(500px, 100%); height: 9px; overflow: hidden; background: #dfe6e8; border-radius: 999px; }
.upload-progress div { width: 0; height: 100%; background: var(--green); transition: width .15s; }
.upload-status { margin: 8px 0 0; }
.photo-admin-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.photo-admin-card { position: relative; padding: 12px; background: var(--paper); border: 1px solid var(--line); border-radius: 11px; }
.photo-admin-card.dragging { opacity: .4; }
.photo-admin-card > img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 7px; }
.drag-handle { position: absolute; z-index: 1; top: 18px; right: 18px; display: grid; width: 38px; height: 38px; place-items: center; color: #fff; background: rgba(9,47,71,.85); border-radius: 7px; cursor: grab; }
.photo-edit-form { display: grid; gap: 10px; margin-top: 13px; }
.photo-edit-form label { font-size: .75rem; }
.inline-fields { display: flex; flex-wrap: wrap; gap: 12px; }
.inline-fields label { display: flex; align-items: center; gap: 5px; }
.danger-link { margin-top: 10px; padding: 0; color: var(--red); background: transparent; border: 0; cursor: pointer; text-decoration: underline; }
.sort-status { color: var(--muted); }
.danger-zone { display: flex; justify-content: space-between; gap: 25px; align-items: center; margin-top: 45px; padding: 24px; border: 1px solid #efc4c6; border-radius: 13px; }
.danger-zone h2 { margin-bottom: 5px; color: var(--red); }
.danger-zone p { margin: 0; color: var(--muted); }
.auth-page { min-height: 100vh; background: linear-gradient(135deg, var(--navy-deep), var(--navy)); }
.auth-shell { min-height: 100vh; display: grid; place-items: center; padding: 25px; }
.auth-card { width: min(450px, 100%); padding: 38px; background: #fff; border-radius: 18px; box-shadow: 0 25px 70px rgba(0,0,0,.25); }
.auth-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 32px; color: var(--navy); font-weight: 800; text-decoration: none; }
.auth-brand img { width: 64px; height: 64px; border-radius: 50%; }
.auth-card > div > p:last-child { color: var(--muted); }
.auth-card .back-link { display: inline-block; margin-top: 25px; }

@media (max-width: 1050px) {
    .album-admin-grid, .photo-admin-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 800px) {
    .admin-shell { grid-template-columns: 1fr; }
    .admin-sidebar { position: fixed; z-index: 100; inset: 0 auto 0 0; width: 260px; transform: translateX(-100%); transition: .2s; }
    .admin-sidebar.open { transform: none; box-shadow: 20px 0 50px rgba(0,0,0,.2); }
    .admin-menu-toggle { display: inline-flex; }
    .admin-main { padding: 30px 18px 60px; }
    .admin-topbar { padding: 0 18px; }
    .album-form { grid-template-columns: 1fr; }
}
@media (max-width: 580px) {
    .admin-heading, .danger-zone { display: grid; align-items: start; }
    .stats-grid, .album-admin-grid, .photo-admin-grid { grid-template-columns: 1fr; }
    .admin-panel { padding: 18px; }
    .auth-card { padding: 28px 22px; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { transition-duration: .01ms !important; }
}