:root {
    --brand: #0b4aa2;
    --brand-dark: #07377d;
    --brand-soft: #eaf3ff;
    --ink: #14233b;
    --muted: #64748b;
    --line: #d7e2ef;
    --surface: #ffffff;
    --page: #f3f7fc;
    --danger: #c53030;
}

* {
    box-sizing: border-box;
}

html {
    min-width: 320px;
    background: var(--page);
}

body {
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(circle at 90% 4%, rgba(68, 135, 222, .12), transparent 24rem),
        linear-gradient(180deg, #f8fbff 0, var(--page) 28rem);
    font-family:
        "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC",
        system-ui, -apple-system, sans-serif;
}

.hero-card {
    min-height: 150px;
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    align-items: center;
    overflow: hidden;
    border: 1px solid #c9ddf6;
    border-radius: 22px;
    background:
        radial-gradient(circle at 96% 2%, rgba(54, 119, 218, .12), transparent 18rem),
        linear-gradient(118deg, #fff 0%, #f7fbff 58%, #e9f2ff 100%);
    box-shadow: 0 16px 40px rgba(18, 54, 98, .08);
}

.brand-panel {
    min-width: 0;
    padding: 1.6rem 2.3rem;
}

.brand-logo {
    display: block;
    width: min(100%, 510px);
    max-height: 88px;
    object-fit: contain;
    object-position: left center;
}

.hero-copy {
    min-width: 0;
    padding: 1.3rem 2.3rem;
    border-left: 1px solid #d5e0ee;
}

.college-kicker {
    display: block;
    margin-bottom: .25rem;
    color: #3265aa;
    font-size: .86rem;
    font-weight: 700;
    letter-spacing: .12em;
}

.hero-copy h1 {
    margin: 0;
    color: #07377d;
    font-size: clamp(1.75rem, 3vw, 2.65rem);
    font-weight: 760;
    line-height: 1.2;
}

.hero-copy p {
    margin: .45rem 0 0;
    color: #61728a;
    font-size: 1rem;
    letter-spacing: .04em;
}

.app-card {
    margin-bottom: 1.5rem;
    padding: 1.8rem 2rem;
    border: 1px solid #d9e3ee;
    border-radius: 20px;
    background: var(--surface);
    box-shadow: 0 13px 34px rgba(27, 59, 98, .07);
}

.section-heading,
.section-toolbar,
.record-header,
.record-actions,
.total-card {
    display: flex;
    align-items: center;
}

.section-heading {
    gap: .8rem;
    margin-bottom: 1.45rem;
}

.section-heading h2 {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 760;
}

.section-icon {
    width: 40px;
    height: 40px;
    display: inline-grid;
    place-items: center;
    flex: 0 0 40px;
    border-radius: 12px;
    background: linear-gradient(145deg, #2870d8, #06449f);
    box-shadow: 0 9px 20px rgba(13, 78, 173, .22);
}

.section-toolbar {
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-label {
    margin-bottom: .45rem;
    color: #34445b;
    font-size: .88rem;
    font-weight: 700;
}

.form-control,
.form-select {
    min-height: 44px;
    border-color: #cedaea;
    border-radius: 10px;
    color: var(--ink);
    box-shadow: 0 1px 2px rgba(15, 23, 42, .025);
}

.form-control:focus,
.form-select:focus {
    border-color: #7ea4d5;
    box-shadow: 0 0 0 .2rem rgba(23, 92, 178, .1);
}

textarea.form-control {
    min-height: 72px;
    resize: vertical;
}

.btn {
    min-height: 42px;
    border-radius: 10px;
    font-weight: 700;
}

.btn-primary {
    border-color: var(--brand);
    background: linear-gradient(135deg, #246acb, #08469f);
    box-shadow: 0 8px 18px rgba(11, 74, 162, .19);
}

.btn-primary:hover,
.btn-primary:focus-visible {
    border-color: var(--brand-dark);
    background: linear-gradient(135deg, #1d60bd, #063d8e);
}

.btn-outline-primary {
    border-color: #bed0e7;
    color: var(--brand);
    background: #fff;
}

.btn-outline-primary:hover {
    border-color: #8eb1dc;
    color: var(--brand-dark);
    background: #f3f8ff;
}

.add-record-button {
    min-width: 190px;
}

.policy-note {
    margin-bottom: 1.3rem;
    padding: .9rem 1rem;
    border-radius: 10px;
    color: #174b87;
    background: #eaf3ff;
    font-weight: 600;
}

.empty-state {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: .3rem 0 1.25rem;
    padding: 1.2rem 1.35rem;
    border: 1px dashed #b8cce4;
    border-radius: 14px;
    color: #36516f;
    background: #fbfdff;
}

.empty-state p {
    margin: .2rem 0 0;
    color: var(--muted);
    font-size: .9rem;
}

.empty-icon {
    color: #3774bd;
    font-size: 1.65rem;
}

.record-list {
    display: grid;
    gap: 1rem;
    margin-bottom: 1.1rem;
}

.record-card {
    overflow: visible;
    border: 1px solid #d8e4f1;
    border-radius: 15px;
    background: #fff;
    box-shadow: 0 7px 20px rgba(30, 64, 104, .055);
}

.record-header {
    min-height: 46px;
    justify-content: space-between;
    gap: 1rem;
    padding: .45rem .75rem .45rem .95rem;
    border-left: 4px solid #4b7fe0;
    border-radius: 14px 14px 0 0;
    background: linear-gradient(90deg, #edf5ff, #fff 76%);
}

.record-number {
    color: #163f77;
}

.record-actions {
    min-width: 0;
    justify-content: flex-end;
    gap: .7rem;
}

.reviewer-pill {
    max-width: min(52vw, 700px);
    overflow: hidden;
    padding: .2rem .65rem;
    border: 1px solid #b7cdf0;
    border-radius: 999px;
    color: #315fa5;
    background: #f8fbff;
    font-size: .76rem;
    line-height: 1.4;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.reviewer-pill.long {
    border-radius: 9px;
    white-space: normal;
}

.delete-record {
    width: 34px;
    height: 34px;
    display: inline-grid;
    place-items: center;
    flex: 0 0 34px;
    border: 1px solid #f1b6b6;
    border-radius: 50%;
    color: var(--danger);
    background: #fff8f8;
    font-size: 1.1rem;
    line-height: 1;
}

.delete-record:hover,
.delete-record:focus-visible {
    border-color: #e48787;
    background: #fff0f0;
}

.record-body {
    padding: 1rem;
}

.record-grid {
    display: grid;
    grid-template-columns: minmax(180px, 1.45fr) minmax(300px, 3.6fr) minmax(120px, .85fr) minmax(170px, 1.2fr);
    gap: .8rem;
    align-items: start;
}

.standard-menu {
    position: absolute;
    z-index: 1050;
    top: calc(100% - 1px);
    right: 0;
    left: 0;
    display: none;
    max-height: 280px;
    overflow-y: auto;
    border: 1px solid #cbd9e9;
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 14px 30px rgba(30, 57, 89, .16);
}

.standard-menu.show {
    display: block;
}

.standard-option {
    padding: .68rem .8rem;
    border: 0;
    border-bottom: 1px solid #edf2f7;
    color: #263b54;
    background: #fff;
    font-size: .9rem;
    line-height: 1.45;
    text-align: left;
}

.standard-option:last-child {
    border-bottom: 0;
}

.standard-option:hover,
.standard-option:focus {
    color: #0a478f;
    background: #edf5ff;
}

.standard-empty {
    padding: .8rem;
    color: var(--muted);
    font-size: .88rem;
}

.workload-input {
    appearance: textfield;
}

.workload-input::-webkit-inner-spin-button,
.workload-input::-webkit-outer-spin-button {
    margin: 0;
    appearance: none;
}

.is-invalid + .standard-menu {
    border-color: #dc3545;
}

#bottom-add-wrap {
    margin: 1.25rem 0;
}

.total-card {
    justify-content: space-between;
    margin-top: 1.4rem;
    padding: 1.1rem 1.25rem;
    border: 1px solid #c7dcf5;
    border-radius: 13px;
    background: linear-gradient(90deg, #f1f7ff, #fbfdff);
    font-weight: 700;
}

.total-card strong {
    color: #07377d;
    font-size: 1.6rem;
}

.total-card small {
    color: #314660;
    font-size: .85rem;
}

.operation-card {
    height: 100%;
    padding: 1rem;
    border: 1px solid #d6e2ef;
    border-radius: 14px;
    background: #fbfdff;
}

.operation-primary {
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-color: #c4d9f4;
    background: linear-gradient(135deg, #f4f8ff, #fff);
}

.operation-card p {
    margin: .75rem 0 0;
    color: var(--muted);
    font-size: .82rem;
}

.operation-title {
    margin-bottom: .65rem;
    color: #344a64;
    font-size: .9rem;
    font-weight: 750;
}

.button-icon {
    margin-right: .25rem;
}

.app-footer {
    padding: .6rem 1rem 2rem;
    color: #6b7c91;
    font-size: .8rem;
    line-height: 1.8;
    text-align: center;
}

.toast {
    color: #fff;
    background: #174b87;
    box-shadow: 0 12px 28px rgba(17, 46, 82, .2);
}

.toast.toast-error {
    background: #a52d2d;
}

@media (max-width: 1199.98px) {
    .record-grid {
        grid-template-columns: minmax(180px, 1.2fr) minmax(300px, 2.8fr);
    }
}

@media (max-width: 991.98px) {
    .hero-card {
        grid-template-columns: 1fr;
    }

    .brand-panel {
        padding-bottom: .8rem;
    }

    .hero-copy {
        padding-top: .8rem;
        border-top: 1px solid #d5e0ee;
        border-left: 0;
    }

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

@media (max-width: 575.98px) {
    .hero-card {
        min-height: auto;
        border-radius: 16px;
    }

    .brand-panel,
    .hero-copy {
        padding: 1rem 1.15rem;
    }

    .brand-logo {
        max-height: 62px;
    }

    .hero-copy h1 {
        font-size: 1.55rem;
    }

    .app-card {
        margin-bottom: 1rem;
        padding: 1.2rem 1rem;
        border-radius: 16px;
    }

    .section-toolbar {
        align-items: stretch;
        flex-direction: column;
    }

    .add-record-button {
        width: 100%;
    }

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

    .record-header {
        align-items: flex-start;
    }

    .record-actions {
        max-width: 65%;
    }

    .reviewer-pill {
        max-width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
    }
}