:root {
    color-scheme: light;
    --bg: #fff4e6;
    --bg-deep: #f3ead8;
    --panel: rgba(255, 251, 245, 0.96);
    --panel-soft: rgba(255, 247, 237, 0.92);
    --ink: #21160d;
    --muted: #6f6258;
    --line: rgba(33, 22, 13, 0.1);
    --line-strong: rgba(33, 22, 13, 0.16);
    --accent: #ff5f3b;
    --accent-strong: #c43f1f;
    --accent-soft: rgba(255, 95, 59, 0.12);
    --accent-glow: rgba(255, 95, 59, 0.18);
    --teal: #0f766e;
    --success: #23785c;
    --warning: #946221;
    --danger: #9f3f32;
    --shadow-lg: 0 28px 70px rgba(104, 67, 25, 0.13);
    --shadow-md: 0 18px 36px rgba(104, 67, 25, 0.1);
    --shadow-sm: 0 10px 24px rgba(104, 67, 25, 0.08);
    --radius-xl: 30px;
    --radius-lg: 24px;
    --radius-md: 18px;
    --radius-sm: 14px;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    font-family: "Manrope", "Segoe UI", sans-serif;
    color: var(--ink);
    background:
        radial-gradient(circle at top left, rgba(255, 255, 255, 0.8), transparent 24%),
        radial-gradient(circle at 82% 18%, rgba(255, 95, 59, 0.1), transparent 22%),
        linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 100%);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(90deg, rgba(33, 22, 13, 0.04) 0, rgba(33, 22, 13, 0.04) 1px, transparent 1px, transparent 100%),
        linear-gradient(rgba(33, 22, 13, 0.03) 0, rgba(33, 22, 13, 0.03) 1px, transparent 1px, transparent 100%);
    background-size: 140px 140px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.45), transparent 76%);
}

body.app-ready .campaign-hero,
body.app-ready .campaign-grid,
body.app-ready .notice {
    animation: riseIn 620ms var(--ease) both;
}

body.app-ready .campaign-grid {
    animation-delay: 90ms;
}

body.is-busy {
    cursor: progress;
}

body.is-modal-open {
    overflow: hidden;
}

.hidden {
    display: none !important;
}

.shell {
    width: min(1380px, calc(100% - 44px));
    margin: 28px auto 42px;
    position: relative;
    z-index: 1;
}

.shell > .notice {
    margin-bottom: 24px;
}

.campaign-hero,
.media-card,
.brief-board,
.activation-card,
.notice,
.modal-panel {
    border: 1px solid var(--line);
    background: var(--panel);
    box-shadow: var(--shadow-lg);
}

.campaign-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) 0.85fr;
    gap: 26px;
    padding: 32px;
    border-radius: var(--radius-xl);
    margin-bottom: 24px;
    overflow: hidden;
    position: relative;
}

.campaign-hero::after {
    content: "";
    position: absolute;
    inset: auto -60px -60px auto;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 95, 59, 0.2), transparent 70%);
    pointer-events: none;
}

.hero-copy {
    display: grid;
    align-content: start;
    gap: 16px;
}

.eyebrow,
.metric-label,
.cluster-no {
    margin: 0;
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.eyebrow,
.metric-label {
    color: rgba(111, 98, 88, 0.84);
}

h1,
h2,
h3,
strong {
    margin: 0;
    letter-spacing: -0.05em;
}

h1 {
    font-size: 30px;
    line-height: 1.02;
}

h2 {
    font-size: 1.5rem;
    line-height: 1.08;
}

h3 {
    font-size: 1.18rem;
    line-height: 1.14;
}

.lead,
.notice,
.metric-card p,
.board-head p,
.cluster-head p,
.field-note,
.form-note,
.ad-copy p,
.activation-card p,
.result-copy,
.bullet-list li,
.media-list li {
    color: var(--muted);
}

.lead {
    margin: 0;
    font-size: 1.03rem;
    line-height: 1.78;
    max-width: 60ch;
}

.hero-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-content: start;
}

.hero-strip span {
    display: inline-flex;
    min-height: 36px;
    padding: 0 14px;
    align-items: center;
    border-radius: 999px;
    border: 1px solid rgba(33, 22, 13, 0.1);
    background: rgba(255, 255, 255, 0.76);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    grid-column: 1 / -1;
}

.metric-card {
    display: grid;
    gap: 10px;
    padding: 18px 20px;
    border-radius: 22px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.78);
    box-shadow: var(--shadow-sm);
}

.metric-card-accent {
    background: linear-gradient(180deg, rgba(255, 95, 59, 0.12), rgba(255, 255, 255, 0.82));
}

.metric-card strong {
    font-size: 1.02rem;
    line-height: 1.35;
}

.metric-card p {
    margin: 0;
    line-height: 1.6;
}

.notice {
    padding: 18px 20px;
    border-radius: 22px;
    line-height: 1.62;
}

.warning {
    background: rgba(255, 245, 228, 0.95);
    color: var(--warning);
}

.success {
    background: rgba(235, 247, 240, 0.95);
    color: var(--success);
}

.error {
    background: rgba(252, 236, 231, 0.96);
    color: var(--danger);
}

.campaign-grid {
    display: grid;
    grid-template-columns: 300px minmax(0, 1fr) 320px;
    gap: 24px;
    align-items: start;
}

.media-column,
.board-column,
.activation-column {
    display: grid;
    gap: 20px;
}

.media-card,
.activation-card,
.brief-board {
    border-radius: 26px;
}

.media-card,
.activation-card {
    padding: 22px;
}

.media-card-dark {
    color: #fff6ef;
    background: linear-gradient(180deg, rgba(57, 31, 14, 0.96), rgba(99, 48, 22, 0.94));
    border-color: rgba(255, 255, 255, 0.08);
}

.media-card-dark .eyebrow,
.media-card-dark h2,
.media-card-dark li {
    color: inherit;
}

.media-list,
.bullet-list {
    margin: 14px 0 0;
    padding-left: 18px;
    display: grid;
    gap: 12px;
}

.media-list li,
.bullet-list li {
    line-height: 1.62;
}

.brief-board {
    padding: 28px;
    background:
        linear-gradient(180deg, rgba(255, 253, 249, 0.98), rgba(251, 247, 241, 0.95)),
        var(--panel);
}

.board-head {
    display: grid;
    gap: 10px;
    margin-bottom: 26px;
}

.board-head p {
    margin: 0;
    line-height: 1.72;
    font-size: 0.98rem;
}

.ad-form {
    display: grid;
    gap: 18px;
}

.brief-cluster {
    display: grid;
    gap: 18px;
    padding: 22px;
    border-radius: 24px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.78);
}

.brief-cluster-accent {
    background:
        linear-gradient(180deg, rgba(255, 95, 59, 0.09), rgba(255, 255, 255, 0.78)),
        rgba(255, 255, 255, 0.78);
}

.brief-cluster-soft {
    background:
        linear-gradient(180deg, rgba(15, 118, 110, 0.06), rgba(255, 255, 255, 0.8)),
        rgba(255, 255, 255, 0.8);
}

.cluster-head {
    display: grid;
    grid-template-columns: 74px minmax(0, 1fr);
    gap: 16px;
    align-items: start;
}

.cluster-no {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    border-radius: 14px;
    background: rgba(33, 22, 13, 0.06);
    color: rgba(33, 22, 13, 0.72);
}

.cluster-head p {
    margin: 6px 0 0;
    line-height: 1.66;
}

.field {
    display: grid;
    gap: 12px;
    align-content: start;
}

.field-xl textarea {
    min-height: 180px;
}

.field > span {
    font-size: 0.86rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #4c4036;
}

.field-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    align-items: start;
}

.field-grid-balanced {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

textarea,
input[type="text"],
select {
    width: 100%;
    min-height: 58px;
    padding: 17px 18px;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-md);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(251, 248, 243, 0.96));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.84);
    font: inherit;
    color: var(--ink);
    transition: border-color 180ms var(--ease), box-shadow 180ms var(--ease), transform 180ms var(--ease);
}

textarea {
    min-height: 128px;
    resize: vertical;
    line-height: 1.72;
}

textarea::placeholder,
input[type="text"]::placeholder {
    color: #93857b;
}

select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    padding-right: 54px;
    background-image:
        linear-gradient(45deg, transparent 50%, #756c66 50%),
        linear-gradient(135deg, #756c66 50%, transparent 50%);
    background-position:
        calc(100% - 24px) calc(50% - 3px),
        calc(100% - 18px) calc(50% - 3px);
    background-size: 7px 7px, 7px 7px;
    background-repeat: no-repeat;
    cursor: pointer;
}

textarea:focus,
input[type="text"]:focus,
select:focus {
    outline: none;
    border-color: rgba(255, 95, 59, 0.34);
    box-shadow: 0 0 0 4px rgba(255, 95, 59, 0.11);
    transform: translateY(-1px);
}

.field-note {
    margin: 0;
    line-height: 1.58;
}

.board-actions {
    display: grid;
    gap: 14px;
    padding-top: 4px;
}

.action-row,
.modal-head,
.result-head {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
}

button {
    appearance: none;
    border: 0;
    border-radius: 999px;
    min-height: 52px;
    padding: 0 20px;
    font: inherit;
    font-weight: 800;
    cursor: pointer;
    transition: transform 180ms var(--ease), box-shadow 180ms var(--ease), opacity 180ms var(--ease), background 180ms var(--ease);
}

button:hover:not(:disabled) {
    transform: translateY(-1px);
}

button:disabled {
    opacity: 0.58;
    cursor: not-allowed;
}

#generate-button {
    color: #fff;
    background: linear-gradient(180deg, var(--accent) 0%, var(--accent-strong) 100%);
    box-shadow: 0 16px 26px var(--accent-glow);
}

.ghost-button,
.copy-button {
    color: var(--ink);
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid var(--line);
}

.copy-button.is-copied {
    color: var(--teal);
}

.form-note {
    margin: 0;
    line-height: 1.68;
}

.activation-card p {
    margin: 10px 0 0;
    line-height: 1.68;
}

.ad-panel {
    display: grid;
    gap: 16px;
}

.ad-copy p {
    margin: 8px 0 0;
}

.ad-slot,
.ad-placeholder {
    border-radius: 20px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.74);
    min-height: 330px;
}

.ad-placeholder {
    padding: 16px;
}

.ad-mockup {
    min-height: 298px;
    border-radius: 16px;
    border: 1px dashed rgba(33, 22, 13, 0.16);
    display: grid;
    place-content: center;
    background:
        linear-gradient(rgba(33, 22, 13, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(33, 22, 13, 0.04) 1px, transparent 1px);
    background-size: 18px 18px;
}

.ad-badge {
    display: grid;
    place-items: center;
    width: 124px;
    height: 124px;
    border-radius: 50%;
    background: linear-gradient(180deg, rgba(255, 95, 59, 0.14), rgba(255, 95, 59, 0.26));
    color: var(--accent-strong);
    font-weight: 900;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 30;
    padding: 20px;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(23, 17, 12, 0.44);
    backdrop-filter: blur(10px);
}

.modal-panel {
    position: relative;
    width: min(1080px, 100%);
    max-height: calc(100vh - 40px);
    margin: 0 auto;
    padding: 26px;
    border-radius: 28px;
    overflow: auto;
}

.modal-head {
    margin-bottom: 18px;
}

.modal-head p {
    margin: 8px 0 0;
    line-height: 1.66;
    color: var(--muted);
}

.result-stack {
    display: grid;
    gap: 16px;
}

.result-card {
    display: grid;
    gap: 14px;
    padding: 20px;
    border-radius: 22px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.82);
}

.result-card-primary {
    background: linear-gradient(180deg, rgba(255, 95, 59, 0.09), rgba(255, 255, 255, 0.82));
}

.result-copy {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
    font: 600 0.98rem/1.72 "Manrope", "Segoe UI", sans-serif;
}

.result-card-notes {
    background: rgba(247, 250, 244, 0.86);
}

.bullet-list {
    margin: 0;
}

.is-entering {
    animation: riseIn 360ms var(--ease) both;
}

.is-visible .modal-panel,
.notice.is-visible {
    animation: riseIn 360ms var(--ease) both;
}

@keyframes riseIn {
    from {
        opacity: 0;
        transform: translateY(16px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 1180px) {
    .campaign-hero,
    .campaign-grid,
    .hero-metrics {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) {
    .field-grid,
    .field-grid-balanced,
    .cluster-head {
        grid-template-columns: 1fr;
    }

    .cluster-no {
        width: fit-content;
        min-width: 74px;
    }
}

@media (max-width: 760px) {
    .shell {
        width: min(100% - 20px, 100%);
        margin: 16px auto 24px;
    }

    .campaign-hero,
    .brief-board,
    .modal-panel,
    .media-card,
    .activation-card {
        padding: 22px;
    }

    .action-row,
    .modal-head,
    .result-head,
    button,
    .ghost-button,
    .copy-button {
        width: 100%;
    }

    .action-row,
    .modal-head,
    .result-head {
        justify-content: stretch;
    }
}