@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;700;800&family=Sora:wght@400;600;700;800&family=Noto+Sans+KR:wght@400;500;700&display=swap');

:root {
    --bg: #fffaf8;
    --surface: #ffffff;
    --surface-soft: #fffdff;
    --ink: #3b3f57;
    --muted: #8a8ea5;
    --line: #ece3f2;

    --brand: #9ba9ea;
    --brand-deep: #808fd8;
    --accent: #f5c6bf;
    --accent-soft: #fff8f5;

    --ok: #85c7b3;
    --warn: #e2c390;
    --danger: #dca2a2;

    --radius-sm: 12px;
    --radius-md: 18px;
    --radius-lg: 24px;
    --shadow-sm: 0 6px 16px rgba(111, 118, 156, 0.09);
    --shadow-md: 0 14px 30px rgba(126, 132, 170, 0.14);
    --panel-width: min(1120px, calc(100% - 28px));
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
}

body {
    font-family: 'Sora', 'Noto Sans KR', sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.6;
    letter-spacing: 0.01em;
    position: relative;
    overflow-x: hidden;
}

body::before,
body::after {
    content: '';
    position: fixed;
    pointer-events: none;
    z-index: -1;
}

body::before {
    width: 520px;
    height: 520px;
    top: -220px;
    left: -140px;
    background: radial-gradient(circle at center, rgba(175, 191, 255, 0.35), rgba(175, 191, 255, 0));
}

body::after {
    width: 460px;
    height: 460px;
    bottom: -190px;
    right: -110px;
    background: radial-gradient(circle at center, rgba(255, 197, 181, 0.32), rgba(255, 197, 181, 0));
}

.theme-tutoring {
    --brand: #9ed5c6;
    --brand-deep: #80bdad;
    --accent: #f7d8a7;
    --accent-soft: #fffaef;
}

.theme-admin {
    --brand: #edb5a3;
    --brand-deep: #d39a87;
    --accent: #a3d8ce;
    --accent-soft: #f3fcf9;
}

.theme-admin::before {
    background: radial-gradient(circle at center, rgba(240, 176, 156, 0.3), rgba(240, 176, 156, 0));
}

.theme-admin::after {
    background: radial-gradient(circle at center, rgba(157, 215, 203, 0.26), rgba(157, 215, 203, 0));
}

.theme-tutoring::before {
    background: radial-gradient(circle at center, rgba(171, 224, 210, 0.28), rgba(171, 224, 210, 0));
}

.theme-tutoring::after {
    background: radial-gradient(circle at center, rgba(248, 215, 155, 0.26), rgba(248, 215, 155, 0));
}

a {
    color: var(--brand);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

h1,
h2,
h3,
h4,
summary {
    font-family: 'Space Grotesk', 'Sora', 'Noto Sans KR', sans-serif;
    letter-spacing: 0.01em;
    margin: 0 0 10px;
}

h1 {
    font-size: clamp(2rem, 4.2vw, 3.4rem);
}

h2 {
    font-size: clamp(1.25rem, 2.2vw, 1.9rem);
}

h3 {
    font-size: clamp(1.05rem, 1.6vw, 1.32rem);
}

p {
    margin: 0 0 10px;
}

small,
.muted {
    color: var(--muted);
}

code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, 'Liberation Mono', monospace;
    background: #f3effa;
    color: #4a4d67;
    border: 1px solid #e8dff3;
    border-radius: 8px;
    padding: 2px 8px;
    font-size: 0.86rem;
}

.top-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 12px;
}

.top-nav a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 0 14px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.38);
    background: rgba(255, 255, 255, 0.16);
    color: #fff;
    font-size: 0.84rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: transform 180ms ease, background-color 180ms ease;
    text-decoration: none;
}

.top-nav a:hover {
    transform: translateY(-1px);
    background: rgba(255, 255, 255, 0.28);
}

.btn {
    border: 0;
    border-radius: 12px;
    padding: 10px 16px;
    min-height: 42px;
    font: inherit;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    cursor: pointer;
    color: #fff;
    background: linear-gradient(120deg, var(--brand), var(--brand-deep));
    box-shadow: 0 8px 20px rgba(114, 121, 165, 0.22);
    transition: transform 160ms ease, filter 160ms ease, box-shadow 160ms ease;
}

.btn:hover {
    transform: translateY(-1px);
    filter: brightness(1.04);
    text-decoration: none;
}

.btn.ghost {
    background: #fff;
    color: var(--danger);
    border: 1px solid #efcfcb;
    box-shadow: none;
}

.btn.ghost:hover {
    background: #fff5f4;
}

label {
    display: grid;
    gap: 7px;
    font-size: 0.92rem;
    font-weight: 700;
    color: #3a3f59;
}

input,
textarea,
select {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 10px 12px;
    font: inherit;
    background: #fff;
    color: var(--ink);
    transition: border-color 140ms ease, box-shadow 140ms ease;
}

textarea {
    resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: color-mix(in srgb, var(--brand) 60%, white 40%);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--brand) 18%, white 82%);
}

.form-grid {
    display: grid;
    gap: 12px;
}

.check-row {
    display: flex;
    align-items: center;
    gap: 9px;
    font-weight: 600;
}

.check-row input[type='checkbox'] {
    width: 18px;
    height: 18px;
}
.portfolio-hero,
.section-header {
    position: relative;
    overflow: hidden;
    color: #fff;
    padding: 26px clamp(16px, 4vw, 64px) 44px;
    box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.16);
}

.portfolio-hero {
    min-height: 54vh;
    background:
        radial-gradient(680px 300px at -10% 20%, rgba(255, 255, 255, 0.24), transparent 55%),
        radial-gradient(460px 240px at 90% 10%, rgba(255, 217, 206, 0.44), transparent 60%),
        linear-gradient(135deg, #a8b3ea 0%, #bbc3ee 52%, #d1d6f5 100%);
}

.section-header {
    background:
        radial-gradient(520px 240px at 85% -10%, rgba(255, 255, 255, 0.2), transparent 55%),
        linear-gradient(135deg, var(--brand-deep), var(--brand));
}

.portfolio-hero::after,
.section-header::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -28px;
    height: 56px;
    background: var(--bg);
    clip-path: polygon(0 38%, 100% 0, 100% 100%, 0 100%);
}

.hero-grid {
    margin-top: 26px;
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 28px;
    align-items: center;
}

.hero-image-wrap {
    width: 240px;
    height: 240px;
    border-radius: 22px;
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.42);
    box-shadow: 0 18px 30px rgba(114, 117, 148, 0.22);
    transform: rotate(-2deg);
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-text {
    max-width: 760px;
}

.hero-text h1 {
    margin-bottom: 10px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    height: 30px;
    padding: 0 12px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.45);
    background: rgba(255, 255, 255, 0.15);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.7rem;
    margin-bottom: 10px;
}

.tag-row {
    margin-top: 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-row span {
    padding: 6px 11px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.44);
    background: rgba(255, 255, 255, 0.2);
    font-size: 0.8rem;
    font-weight: 600;
}

.portfolio-main,
.page-wrap {
    width: var(--panel-width);
    margin: 20px auto 50px;
}

.panel {
    position: relative;
    padding: clamp(16px, 2.8vw, 24px);
    margin-bottom: 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: linear-gradient(180deg, var(--surface), var(--surface-soft));
    box-shadow: var(--shadow-sm);
    animation: panel-in 540ms cubic-bezier(0.18, 0.7, 0.2, 1) both;
}

.panel:nth-of-type(2) {
    animation-delay: 70ms;
}

.panel:nth-of-type(3) {
    animation-delay: 130ms;
}

.panel:nth-of-type(4) {
    animation-delay: 190ms;
}

.panel.accent {
    background:
        linear-gradient(140deg, var(--accent-soft) 0%, #fff 48%),
        var(--surface);
    border-color: color-mix(in srgb, var(--accent) 26%, white 74%);
}

.panel.narrow {
    max-width: 760px;
}

.contact-panel {
    background:
        radial-gradient(220px 120px at 92% 18%, color-mix(in srgb, var(--accent) 16%, white 84%), transparent 70%),
        #fff;
}

.info-grid,
.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 11px;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 12px;
}

.card {
    border: 1px solid var(--line);
    border-radius: 15px;
    background: #fff;
    padding: 14px;
    box-shadow: 0 4px 12px rgba(109, 118, 154, 0.08);
    transition: transform 180ms ease, box-shadow 180ms ease;
    animation: panel-in 500ms cubic-bezier(0.18, 0.7, 0.2, 1) both;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(111, 122, 160, 0.13);
}

.card .btn {
    margin-top: 6px;
}

.stats-grid {
    margin-top: 12px;
}

.chip-list {
    list-style: none;
    margin: 12px 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.chip-list li {
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid color-mix(in srgb, var(--brand) 25%, white 75%);
    background: color-mix(in srgb, var(--brand) 11%, white 89%);
    color: #41465f;
    font-size: 0.84rem;
    font-weight: 600;
}

.row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

.row.between {
    justify-content: space-between;
}

.list-stack {
    display: grid;
    gap: 12px;
}

.notice-list {
    display: grid;
    gap: 10px;
}

.notice {
    border-radius: 13px;
    border: 1px solid var(--line);
    background: #fff;
    padding: 12px;
}

.notice.pinned {
    border-color: color-mix(in srgb, var(--accent) 38%, white 62%);
    background: linear-gradient(130deg, var(--accent-soft), #fff 65%);
}

.answer-list {
    margin: 10px 0;
    display: grid;
    gap: 8px;
}

.answer-item {
    border-radius: 12px;
    border: 1px solid color-mix(in srgb, var(--brand) 20%, white 80%);
    background: color-mix(in srgb, var(--brand) 7%, white 93%);
    padding: 10px;
}

.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: 12px;
    border: 1px solid var(--line);
    border-radius: 14px;
    overflow: hidden;
}

.table th,
.table td {
    padding: 11px 10px;
    border-bottom: 1px solid var(--line);
    border-right: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
    background: #fff;
    font-size: 0.92rem;
}

.table td:last-child,
.table th:last-child {
    border-right: 0;
}

.table tr:last-child td {
    border-bottom: 0;
}

.table th {
    font-size: 0.84rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #666d86;
    background: #f7f4fb;
}

.inline-form {
    display: flex;
    align-items: center;
    gap: 7px;
}

.inline-form input {
    min-width: 88px;
}

details {
    border-top: 1px dashed var(--line);
    margin-top: 10px;
    padding-top: 10px;
}

summary {
    cursor: pointer;
    color: var(--brand-deep);
    font-size: 0.95rem;
}

summary:hover {
    text-decoration: underline;
}

.flash-stack {
    display: grid;
    gap: 8px;
    margin-bottom: 12px;
}

.flash {
    border-radius: 12px;
    padding: 10px 12px;
    border: 1px solid;
    font-size: 0.9rem;
    box-shadow: 0 4px 10px rgba(107, 117, 153, 0.08);
}

.flash.success {
    color: #447768;
    background: #f1fbf8;
    border-color: #cdebe2;
}

.flash.warning {
    color: #82663a;
    background: #fffaf0;
    border-color: #f3e2bc;
}

.flash.danger {
    color: #845959;
    background: #fff4f3;
    border-color: #f1d0cd;
}
.simple-page {
    display: grid;
    place-items: center;
    min-height: 100vh;
}

.simple-card {
    width: min(460px, calc(100% - 30px));
    padding: 24px;
    text-align: center;
    border-radius: var(--radius-lg);
    border: 1px solid var(--line);
    background: #fff;
    box-shadow: var(--shadow-md);
}

@keyframes panel-in {
    0% {
        opacity: 0;
        transform: translateY(10px) scale(0.995);
    }

    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes float-soft {
    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-5px);
    }
}

.hero-image-wrap {
    animation: float-soft 5.5s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
    }
}

@media (max-width: 960px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .hero-image-wrap {
        width: 180px;
        height: 180px;
        transform: none;
    }

    .portfolio-hero,
    .section-header {
        padding-bottom: 36px;
    }

    .top-nav a {
        min-height: 34px;
        padding: 0 10px;
        font-size: 0.75rem;
        letter-spacing: 0.04em;
    }
}

@media (max-width: 760px) {
    :root {
        --panel-width: calc(100% - 20px);
    }

    .portfolio-main,
    .page-wrap {
        margin-top: 14px;
    }

    .panel {
        border-radius: 14px;
        margin-bottom: 12px;
    }

    .info-grid,
    .contact-grid,
    .cards {
        grid-template-columns: 1fr;
    }

    .table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }

    .inline-form {
        flex-direction: column;
        align-items: stretch;
    }

    .inline-form input {
        min-width: 0;
    }

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

    .row .btn {
        width: auto;
    }
}

@media (max-width: 520px) {
    .top-nav {
        gap: 7px;
    }

    .top-nav a {
        font-size: 0.7rem;
        min-height: 32px;
        padding: 0 9px;
    }

    h1 {
        font-size: clamp(1.8rem, 8.5vw, 2.25rem);
    }

    h2 {
        font-size: clamp(1.18rem, 6vw, 1.5rem);
    }
}