/* =========================================================
   Theme (Front + Admin) - Clean, single source of truth
   ========================================================= */

/* -------------------------
   Tokens
------------------------- */
:root {
    --bg0: #070A0F;
    --bg1: #0B1324;
    --panel: rgba(255,255,255,.06);
    --panel2: rgba(10,14,22,.45);
    --border: rgba(255,255,255,.10);
    --border-soft: rgba(255,255,255,.06);
    --text: #E9EEF7;
    --muted: rgba(233,238,247,.70);
    --accent: #F2B64C;
    --accent2: #6FA8FF;
    --ok: #3DDC84;
    --danger: #FF5C5C;
    --r-xl: 18px;
    --r-lg: 14px;
    --r-md: 12px;
    --shadow: 0 18px 45px rgba(0,0,0,.55);
    --shadow2: 0 10px 28px rgba(0,0,0,.40);
    --topbar-h: 72px;
    --main-pad-y: 22px;
    --main-pad-x: 26px;
    --sidebar-w: 280px;
    --sidebar-pad-y: 12px;
    --sidebar-pad-x: 10px;
    --nav-gap: 8px;
    --nav-item-py: 9px;
    --nav-item-px: 10px;
    --nav-item-mx: 6px;
    --nav-item-my: 3px;
    --group-mt: 10px;
    --group-mb: 6px;
    --group-mx: 8px;
}

/* -------------------------
   Base
------------------------- */

html,
body {
    height: 100%;
}

body {
    background:
        radial-gradient(1200px 700px at 25% 10%, rgba(242,182,76,.18), transparent 60%),
        radial-gradient(900px 600px at 70% 25%, rgba(111,168,255,.14), transparent 55%),
        linear-gradient(180deg, var(--bg0), var(--bg1));
    color: var(--text);
    overflow-x: hidden;
}

.has-topbar-pad {
    padding-top: var(--topbar-h);
}

a {
    color: rgba(233,238,247,.86);
}

    a:hover {
        color: var(--accent);
    }

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--text) !important;
}

.text-dark {
    color: var(--text) !important;
}

.text-muted {
    color: var(--muted) !important;
}

p,
small,
label,
li,
span,
div {
    color: inherit;
}

/* -------------------------
   Topbar
------------------------- */
.admin-topbar {
    height: var(--topbar-h);
    min-height: var(--topbar-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 0 18px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0,0,0,.55);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
    box-sizing: border-box;
}

    .admin-topbar a {
        color: var(--text);
        text-decoration: none;
    }

        .admin-topbar a:hover {
            color: var(--accent);
        }

    .admin-topbar .brand {
        font-size: 30px;
        font-weight: 800;
        line-height: 1;
        letter-spacing: .02em;
        display: inline-block;
        max-width: 100%;
        word-break: break-word;
    }

/* -------------------------
   Main container
------------------------- */
.admin-main {
    flex: 1;
    padding: var(--main-pad-y) var(--main-pad-x);
    min-width: 0;
}

    .admin-main > .admin-shell {
        margin: calc(var(--main-pad-y) * -1) calc(var(--main-pad-x) * -1);
    }

/* -------------------------
   Shared shell layout
------------------------- */
.admin-shell {
    display: flex;
    min-height: 92vh;
    gap: 0;
}

.admin-sidebar {
    width: var(--sidebar-w);
    padding: var(--sidebar-pad-y) var(--sidebar-pad-x);
    border-right: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(10,14,22,.65), rgba(10,14,22,.35));
    backdrop-filter: blur(10px);
}

.admin-main .admin-shell .admin-main {
    padding: var(--main-pad-y) var(--main-pad-x);
    min-width: 0;
}

/* -------------------------
   Section titles
------------------------- */
.section-title {
    font-size: 36px;
    letter-spacing: .5px;
    margin: 4px 0 6px;
    color: var(--text) !important;
}

.section-subtitle {
    color: var(--muted) !important;
    margin: 0 0 18px;
    line-height: 1.8;
}

/* -------------------------
   Cards
------------------------- */
.card-pro {
    border-radius: var(--r-xl);
    border: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
    box-shadow: var(--shadow2);
    backdrop-filter: blur(12px);
}

    .card-pro .card-hd {
        padding: 16px 18px 10px;
        border-bottom: 1px solid var(--border-soft);
        font-weight: 700;
    }

    .card-pro .card-bd {
        padding: 16px 18px;
    }

/* -------------------------
   Sidebar nav
------------------------- */
.nav-group-title {
    color: rgba(233,238,247,.55);
    font-size: 11px;
    letter-spacing: .10em;
    margin: var(--group-mt) var(--group-mx) var(--group-mb);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--nav-gap);
    padding: var(--nav-item-py) var(--nav-item-px);
    border-radius: 10px;
    color: rgba(233,238,247,.86);
    text-decoration: none;
    margin: var(--nav-item-my) var(--nav-item-mx);
}

    .nav-item:hover {
        background: rgba(255,255,255,.06);
        color: var(--text);
    }

    .nav-item.active {
        background: rgba(242,182,76,.14);
        border: 1px solid rgba(242,182,76,.22);
        color: var(--text);
    }

/* -------------------------
   Front Notes page refinements
------------------------- */
.page-notes-front .admin-shell {
    align-items: stretch;
}

.page-notes-front .front-sidebar {
    width: 312px;
    padding-top: 18px;
    background: linear-gradient(180deg, rgba(8,12,20,.82), rgba(8,12,20,.42));
}

    .page-notes-front .front-sidebar .nav-group-title {
        margin-top: 10px;
        margin-bottom: 10px;
        font-size: 12px;
        letter-spacing: .08em;
        color: rgba(233,238,247,.62);
    }

    .page-notes-front .front-sidebar .nav-item {
        min-height: 42px;
        font-size: 16px;
        border: 1px solid transparent;
        transition: background .18s ease, border-color .18s ease, transform .18s ease;
    }

        .page-notes-front .front-sidebar .nav-item:hover {
            background: rgba(255,255,255,.08);
            border-color: rgba(255,255,255,.08);
            transform: translateX(2px);
        }

        .page-notes-front .front-sidebar .nav-item.active {
            background: linear-gradient(180deg, rgba(242,182,76,.18), rgba(242,182,76,.12));
            border-color: rgba(242,182,76,.22);
            box-shadow: inset 0 0 0 1px rgba(242,182,76,.04);
        }

    .page-notes-front .front-sidebar .badge-pro {
        min-width: 24px;
        justify-content: center;
    }

.page-notes-front .admin-shell > .admin-main {
    min-width: 0;
    padding-top: 34px;
    padding-left: 42px;
    padding-right: 30px;
}

.page-notes-front .front-nav-icon {
    display: inline-flex;
    width: 22px;
    justify-content: center;
    opacity: .95;
}

/* 左側搜尋 */
.page-notes-front .sidebar-search-card {
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 6px 8px 18px;
    padding: 0 14px;
    height: 58px;
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,.10);
    background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.04));
    box-shadow: inset 0 1px 0 rgba(255,255,255,.03);
}

.page-notes-front .sidebar-search-icon {
    color: rgba(233,238,247,.62);
    font-size: 20px;
    flex: 0 0 auto;
}

.page-notes-front .sidebar-search-input {
    width: 100%;
    height: 100%;
    border: 0;
    outline: none;
    background: transparent;
    color: var(--text);
    font-size: 16px;
    max-width: none;
}

    .page-notes-front .sidebar-search-input::placeholder {
        color: rgba(233,238,247,.48);
    }

/* 右側標題 */
.page-notes-front .notes-front-header {
    margin-bottom: 22px;
}

.page-notes-front .notes-front-section-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
}

/* 三欄卡片 */
.page-notes-front .notes-front-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    align-items: stretch;
}

.page-notes-front .note-front-card {
    width: 100%;
    min-width: 0;
    overflow: hidden;
    border-radius: 26px;
    background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02)), radial-gradient(700px 320px at 40% 10%, rgba(111,168,255,.08), transparent 60%);
    border: 1px solid rgba(80,110,200,.28);
    box-shadow: 0 10px 28px rgba(0,0,0,.20);
}

    .page-notes-front .note-front-card .card-bd {
        padding: 24px 22px 22px;
        display: flex;
        flex-direction: column;
        min-height: 100%;
    }

.page-notes-front .note-front-card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 24px;
}

.page-notes-front .note-front-card-fileicon {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 27px;
    line-height: 1;
    opacity: .95;
    flex: 0 0 auto;
}

.page-notes-front .note-front-card-badges {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

    .page-notes-front .note-front-card-badges .badge-pro {
        height: 34px;
        padding: 0 12px;
        font-size: 12px;
        border-radius: 999px;
        white-space: nowrap;
        background: rgba(255,255,255,.08);
        border-color: rgba(255,255,255,.14);
    }

        .page-notes-front .note-front-card-badges .badge-pro.warn {
            background: rgba(242,182,76,.14);
            border-color: rgba(242,182,76,.28);
            color: #ffe081;
        }

        .page-notes-front .note-front-card-badges .badge-pro.ok {
            background: rgba(61,220,132,.10);
            border-color: rgba(61,220,132,.22);
            color: #d8ffea;
        }

.page-notes-front .note-front-card-body {
    flex: 1 1 auto;
    margin-bottom: 28px;
}

.page-notes-front .note-front-card-title {
    margin: 0 0 14px;
    font-size: 22px;
    font-weight: 800;
    line-height: 1.35;
    letter-spacing: -.01em;
    word-break: break-word;
}

    .page-notes-front .note-front-card-title a {
        color: var(--text);
        text-decoration: none;
    }

        .page-notes-front .note-front-card-title a:hover {
            color: var(--accent);
        }

.page-notes-front .note-front-card-summary {
    color: rgba(233,238,247,.88);
    font-size: 14px;
    line-height: 1.85;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.page-notes-front .note-front-card-footer {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    margin-top: auto;
}

.page-notes-front .note-front-card-meta {
    color: rgba(233,238,247,.84);
    font-size: 14px;
    line-height: 1.9;
}

.page-notes-front .note-front-card-actions {
    display: flex;
    justify-content: flex-start;
}

    .page-notes-front .note-front-card-actions .btn-pro.primary {
        min-width: 106px;
        height: 46px;
        padding: 0 18px;
        border-radius: 14px;
        font-size: 15px;
        background: rgba(242,182,76,.16);
        border-color: rgba(242,182,76,.30);
        box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
    }

.page-notes-front .notes-empty-card {
    width: min(100%, 720px);
}

    .page-notes-front .notes-empty-card .card-bd {
        color: rgba(233,238,247,.65);
        text-align: center;
    }

/* -------------------------
   Buttons / Inputs
------------------------- */
.btn-pro {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 42px;
    padding: 0 16px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,.12);
    background: rgba(255,255,255,.06);
    color: var(--text);
    text-decoration: none;
    cursor: pointer;
    box-sizing: border-box;
    max-width: 100%;
}

    .btn-pro:hover {
        background: rgba(255,255,255,.10);
        border-color: rgba(255,255,255,.18);
    }

    .btn-pro.primary {
        background: rgba(242,182,76,.18);
        border-color: rgba(242,182,76,.26);
    }

        .btn-pro.primary:hover {
            background: rgba(242,182,76,.24);
        }

.input-pro,
.select-pro {
    width: 100%;
    height: 42px;
    padding: 0 12px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,.14);
    background: rgba(10,14,22,.45);
    color: var(--text);
    outline: none;
}

    .input-pro:focus,
    .select-pro:focus {
        border-color: rgba(111,168,255,.55);
        box-shadow: 0 0 0 3px rgba(111,168,255,.18);
    }

    .input-pro::placeholder {
        color: rgba(233,238,247,.42);
    }

    .select-pro option {
        color: #111;
    }

/* -------------------------
   Badges
------------------------- */
.badge-pro {
    display: inline-flex;
    align-items: center;
    height: 22px;
    padding: 0 8px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,.12);
    background: rgba(255,255,255,.06);
    color: rgba(233,238,247,.86);
    font-size: 11px;
}

    .badge-pro.ok {
        border-color: rgba(61,220,132,.35);
        background: rgba(61,220,132,.12);
    }

    .badge-pro.warn {
        border-color: rgba(242,182,76,.38);
        background: rgba(242,182,76,.12);
    }

/* -------------------------
   Grid helpers
------------------------- */
.grid {
    display: grid;
    gap: 16px;
}

    .grid.cols-12 {
        grid-template-columns: repeat(12,1fr);
    }

.col-8 {
    grid-column: span 8;
}

.col-4 {
    grid-column: span 4;
}

.col-12 {
    grid-column: span 12;
}

/* -------------------------
   Responsive
------------------------- */
@media (max-width: 1400px) {
    .page-notes-front .notes-front-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 1200px) {
    :root {
        --sidebar-w: 260px;
    }

    .col-8,
    .col-4 {
        grid-column: span 12;
    }

    .page-notes-front .front-sidebar {
        width: 280px;
    }

    .page-notes-front .admin-shell > .admin-main {
        padding-left: 28px;
        padding-right: 22px;
    }

    .admin-topbar .brand {
        font-size: 26px;
    }
}

@media (max-width: 768px) {
    :root {
        --topbar-h: auto;
    }

    .has-topbar-pad {
        padding-top: 0;
    }

    .admin-topbar {
        position: relative;
        height: auto;
        min-height: 0;
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        gap: 10px;
        padding: 14px 16px 12px;
    }

        .admin-topbar .brand {
            font-size: 24px;
            line-height: 1.1;
            white-space: normal;
            word-break: break-word;
            max-width: 100%;
        }

        .admin-topbar > div {
            width: 100%;
            min-width: 0;
        }

            .admin-topbar > div:last-child {
                display: flex;
                align-items: center;
                justify-content: flex-start;
                flex-wrap: wrap;
                gap: 8px;
            }

                .admin-topbar > div:last-child .btn-pro {
                    height: 40px;
                    padding: 0 14px;
                    font-size: 14px;
                }

    .admin-main > .admin-shell {
        margin: 0;
    }

    .admin-shell {
        flex-direction: column;
    }

    .admin-sidebar {
        width: auto;
        border-right: 0;
        border-bottom: 1px solid var(--border);
    }

    .admin-main {
        padding: 16px;
    }

        .admin-main .admin-shell .admin-main {
            padding: 16px;
        }

    .page-notes-front .front-sidebar {
        width: auto;
        padding-top: 12px;
        padding-bottom: 12px;
    }

        .page-notes-front .front-sidebar .nav-item {
            font-size: 15px;
        }

    .page-notes-front .admin-shell > .admin-main {
        padding-top: 18px;
        padding-left: 16px;
        padding-right: 16px;
    }

    .page-notes-front .sidebar-search-card {
        margin-left: 6px;
        margin-right: 6px;
        height: 54px;
        border-radius: 16px;
    }

    .page-notes-front .sidebar-search-input {
        font-size: 15px;
    }

    .page-notes-front .notes-front-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .page-notes-front .note-front-card .card-bd {
        padding: 20px 16px 18px;
    }

    .page-notes-front .note-front-card-top {
        margin-bottom: 18px;
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .page-notes-front .note-front-card-badges {
        justify-content: flex-start;
    }

    .page-notes-front .note-front-card-title {
        font-size: 20px;
    }

    .page-notes-front .note-front-card-summary {
        -webkit-line-clamp: 4;
    }

    .page-notes-front .note-front-card-meta {
        font-size: 14px;
    }

    .page-notes-front .note-front-card-actions,
    .page-notes-front .note-front-card-actions .btn-pro.primary {
        width: 100%;
    }
}

@media (max-width: 576px) {
    .admin-topbar {
        padding: 12px 14px 10px;
        gap: 9px;
    }

        .admin-topbar .brand {
            font-size: 24px;
            line-height: 1.08;
        }

        .admin-topbar > div:last-child {
            gap: 7px;
        }

            .admin-topbar > div:last-child .btn-pro {
                height: 38px;
                padding: 0 12px;
                font-size: 15px;
            }

    .admin-main {
        padding: 14px;
    }

        .admin-main .admin-shell .admin-main {
            padding: 14px;
        }

    .page-notes-front .admin-shell > .admin-main {
        padding-left: 14px;
        padding-right: 14px;
    }

    .page-notes-front .note-front-card {
        border-radius: 22px;
    }

        .page-notes-front .note-front-card .card-bd {
            padding: 18px 14px 16px;
        }

    .page-notes-front .note-front-card-title {
        font-size: 17px;
        line-height: 1.45;
    }

    .page-notes-front .note-front-card-summary {
        font-size: 13px;
        line-height: 1.75;
    }

    .page-notes-front .note-front-card-meta {
        font-size: 13px;
        line-height: 1.8;
    }
}