@import url("https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Mono:wght@400;500&family=Lato:wght@300;400;700&display=swap");

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --serif: "DM Serif Display", serif;
    --mono: "DM Mono", monospace;
    --sans: "Lato", sans-serif;
    --ink: #111827;
    --ink2: #4b5563;
    --ink3: #9ca3af;

    --bg: #ffffff;
    --bg2: #f9fafb;
    --bg3: #f3f4f6;

    --bdr: #e5e7eb;
    --bdr2: #d1d5db;

    --radius: 8px;
    --radius-lg: 14px;
}

#app {
    font-family: var(--sans);
    padding: 2rem 0;
    max-width: 680px;
    margin: 0 auto;
}

.page-header {
    margin-bottom: 2.5rem;
    border-bottom: 0.5px solid var(--bdr);
    padding-bottom: 1.5rem;
}

.page-title {
    font-family: var(--serif);
    font-size: 32px;
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -0.5px;
}

.page-sub {
    font-size: 13px;
    color: var(--ink3);
    font-family: var(--mono);
    margin-top: 4px;
    letter-spacing: 0.02em;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 2rem;
}

.stat {
    background: var(--bg2);
    border-radius: var(--radius);
    padding: 14px 16px;
}

.stat-label {
    font-size: 11px;
    color: var(--ink3);
    font-family: var(--mono);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.stat-val {
    font-size: 22px;
    font-weight: 700;
    color: var(--ink);
    margin-top: 2px;
}

.toolbar {
    display: flex;
    gap: 10px;
    margin-bottom: 1.5rem;
    align-items: center;
}

.search-wrap {
    position: relative;
    flex: 1;
}

.search-wrap i {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 15px;
    color: var(--ink3);
    pointer-events: none;
}

#search {
    width: 100%;
    padding: 8px 10px 8px 32px;
    font-size: 13px;
    font-family: var(--sans);
    background: var(--bg2);
    border: 0.5px solid var(--bdr);
    border-radius: var(--radius);
    color: var(--ink);
    outline: none;
}

#search:focus {
    border-color: var(--bdr2);
}

#search::placeholder {
    color: var(--ink3);
}

.btn-add {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    font-size: 13px;
    font-family: var(--sans);
    font-weight: 700;
    background: var(--ink);
    color: var(--bg);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    letter-spacing: 0.02em;
    white-space: nowrap;
    transition: opacity 0.15s;
}

.btn-add:hover {
    opacity: 0.85;
}

.btn-add i {
    font-size: 15px;
}

.table-wrap {
    border: 0.5px solid var(--bdr);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

thead tr {
    background: var(--bg2);
}

th {
    padding: 10px 14px;
    text-align: left;
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 500;
    color: var(--ink3);
    text-transform: uppercase;
    letter-spacing: 0.07em;
    border-bottom: 0.5px solid var(--bdr);
}

tbody tr {
    border-bottom: 0.5px solid var(--bdr);
    transition: background 0.1s;
}

tbody tr:last-child {
    border-bottom: none;
}

tbody tr:hover {
    background: var(--bg2);
}

td {
    padding: 12px 14px;
    color: var(--ink);
    vertical-align: middle;
}

.avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    font-family: var(--mono);
    flex-shrink: 0;
}

.cell-name {
    display: flex;
    align-items: center;
    gap: 10px;
}

.name-text {
    font-weight: 400;
    color: var(--ink);
}

.name-sub {
    font-size: 11px;
    color: var(--ink3);
    font-family: var(--mono);
}

.tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 100px;
    font-size: 11px;
    font-family: var(--mono);
}

.tag-work {
    background: #e6f1fb;
    color: #185fa5;
}

.tag-personal {
    background: #eaf3de;
    color: #3b6d11;
}

.tag-vip {
    background: #faece7;
    color: #993c1d;
}

.row-actions {
    display: flex;
    gap: 4px;
    justify-content: flex-end;
}

.btn-icon {
    background: transparent;
    border: 0.5px solid var(--bdr);
    border-radius: var(--radius);
    padding: 5px 8px;
    cursor: pointer;
    color: var(--ink3);
    font-size: 14px;
    display: flex;
    align-items: center;
    transition: all 0.12s;
}

.btn-icon:hover {
    border-color: var(--bdr2);
    color: var(--ink);
}

.btn-icon.del:hover {
    border-color: #f09595;
    color: #e24b4a;
    background: #fcebeb;
}

.empty {
    text-align: center;
    padding: 3rem;
    color: var(--ink3);
    font-family: var(--mono);
    font-size: 13px;
}

.overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 10;
    align-items: flex-start;
    justify-content: center;
    padding-top: 60px;
}

.overlay.open {
    display: flex;
}

.modal {
    background: var(--bg);
    border: 0.5px solid var(--bdr);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    width: 100%;
    max-width: 400px;
}

.modal-title {
    font-family: var(--serif);
    font-size: 22px;
    font-weight: 400;
    color: var(--ink);
    margin-bottom: 1.25rem;
}

.field {
    margin-bottom: 14px;
}

.field label {
    display: block;
    font-size: 11px;
    font-family: var(--mono);
    color: var(--ink3);
    text-transform: uppercase;
    letter-spacing: 0.07em;
    margin-bottom: 5px;
}

.field input,
.field select {
    width: 100%;
    padding: 8px 10px;
    font-size: 13px;
    font-family: var(--sans);
    background: var(--bg2);
    border: 0.5px solid var(--bdr);
    border-radius: var(--radius);
    color: var(--ink);
    outline: none;
}

.field input:focus,
.field select:focus {
    border-color: var(--bdr2);
}

.modal-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.modal-actions {
    display: flex;
    gap: 8px;
    margin-top: 1.25rem;
    justify-content: flex-end;
}

.btn-cancel {
    padding: 8px 16px;
    font-size: 13px;
    font-family: var(--sans);
    background: transparent;
    border: 0.5px solid var(--bdr);
    border-radius: var(--radius);
    cursor: pointer;
    color: var(--ink2);
}

.btn-save {
    padding: 8px 16px;
    font-size: 13px;
    font-family: var(--sans);
    font-weight: 700;
    background: var(--ink);
    color: var(--bg);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: opacity 0.15s;
}

.btn-save:hover {
    opacity: 0.8;
}

.toast {
    position: absolute;
    bottom: 1rem;
    right: 0;
    left: 0;
    margin: 0 auto;
    width: fit-content;
    background: var(--ink);
    color: var(--bg);
    font-size: 12px;
    font-family: var(--mono);
    padding: 8px 16px;
    border-radius: 100px;
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
    z-index: 20;
}

.toast.show {
    opacity: 1;
}

#frame {
    position: relative;
    overflow: hidden;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

@media (max-width: 768px) {
    #app {
        max-width: 100%;
        padding: 1rem;
    }

    .stats {
        grid-template-columns: 1fr;
    }

    .toolbar {
        flex-direction: column;
    }

    .btn-add {
        width: 100%;
        justify-content: center;
    }

    .table-wrap {
        overflow-x: auto;
    }

    table {
        min-width: 700px;
    }

    .modal {
        margin: 0 1rem;
    }
}