:root {
    --bg: #f6f8fb;
    --bg-pattern: rgba(37, 99, 235, 0.05);
    --surface: #ffffff;
    --text: #0b1220;
    --text-muted: #5b6472;
    --line: #e6eaf2;
    --line-strong: #d9e1ee;
    --primary: #2563eb;
    --primary-strong: #1d4ed8;
    --cyan: #22d3ee;
    --danger: #dc2626;
    --success: #15803d;
    --radius-sm: 12px;
    --radius: 18px;
    --radius-lg: 20px;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 10px 28px rgba(15, 23, 42, 0.06);
    --ease: cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
    margin: 0;
    color: var(--text);
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background:
        radial-gradient(circle at 12% -20%, var(--bg-pattern), transparent 35%),
        radial-gradient(circle at 90% 10%, rgba(34, 211, 238, 0.05), transparent 28%),
        linear-gradient(var(--bg), var(--bg));
}

a { color: inherit; text-decoration: none; }

.topbar,
.marketing-nav {
    position: sticky;
    top: 0;
    z-index: 40;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .9rem;
    padding: .85rem 1.25rem;
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(8px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    font-weight: 600;
    letter-spacing: .01em;
}

.brand-icon { color: var(--primary); }

.top-actions,
.marketing-nav nav {
    display: flex;
    align-items: center;
    gap: .55rem;
}

.app-grid {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 1rem;
    padding: 1rem;
    max-width: 1500px;
    margin: 0 auto;
}

.sidebar,
.card,
.auth-card,
.hero-copy,
.hero-visual {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.sidebar {
    position: sticky;
    top: 74px;
    height: fit-content;
    padding: 1rem;
}

.profile-block {
    display: flex;
    align-items: center;
    gap: .7rem;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 999px;
    display: grid;
    place-items: center;
    background: #f1f5ff;
    color: var(--primary);
}

.profile-name {
    margin: 0;
    font-weight: 600;
}

.sidebar-badge {
    margin-top: .85rem;
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    font-size: .8rem;
    padding: .35rem .6rem;
    border-radius: 999px;
    border: 1px solid #d9e7ff;
    color: #2952a3;
    background: #f5f9ff;
}

.content { min-height: calc(100vh - 90px); }

.section-header {
    margin-bottom: .75rem;
}

.section-header h1 {
    margin: 0;
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.section-header .icon { color: var(--primary); }

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: .9rem;
}

.card {
    padding: 1rem;
    margin-bottom: .9rem;
}

.magazine-strip {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: .85rem;
    align-items: center;
}

.hero-marketing {
    margin: 1rem;
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: .9rem;
}

.hero-copy {
    padding: 1.3rem;
}

.hero-copy h1 {
    margin: .35rem 0 .6rem;
    font-size: clamp(2rem, 4vw, 3.1rem);
    line-height: 1.06;
    font-weight: 600;
}

.hero-copy p { color: var(--text-muted); margin: 0; }
.kicker {
    margin: 0;
    font-size: .73rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--primary);
    font-weight: 600;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: 1rem; }

.hero-visual {
    padding: 1rem;
    display: grid;
    gap: .65rem;
}

.metric {
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    padding: .8rem;
    background: #fbfcff;
    display: grid;
    gap: .2rem;
}

.metric strong { font-size: 1.2rem; font-weight: 600; color: #162f61; }
.metric span { color: var(--text-muted); font-size: .9rem; }

.feature-card { display: grid; gap: .45rem; align-content: start; }
.feature-card .icon,
.feature-card h3,
.feature-card p { position: relative; z-index: 1; }

.image-block {
    width: 100%;
    object-fit: cover;
    display: block;
    border-radius: 12px;
    border: 1px solid var(--line);
}
.image-hero { height: 190px; }
.image-card { height: 135px; margin-bottom: .45rem; }
.image-thumb { height: 110px; margin-bottom: .55rem; }
.image-banner { height: 160px; margin-bottom: .65rem; }
.strip-image { min-height: 150px; }

.btn,
button,
.chip-link {
    border: 1px solid transparent;
    border-radius: 999px;
    padding: .52rem .85rem;
    font-size: .9rem;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    transition: background-color .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease), transform .18s var(--ease), box-shadow .18s var(--ease);
}

.btn,
button {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.2);
}

.btn:hover,
button:hover,
.chip-link:hover {
    transform: translateY(-1px);
}

.btn:active,
button:active,
.chip-link:active {
    transform: translateY(0);
}

.btn-secondary,
.btn-ghost,
.chip-link,
.chip-link.ghost {
    background: #fff;
    color: #1f2937;
    border-color: var(--line-strong);
    box-shadow: none;
}

.btn-secondary:hover,
.btn-ghost:hover,
.chip-link:hover,
.chip-link.ghost:hover {
    background: #f8fbff;
    border-color: #cfd9ea;
}

.btn-danger {
    background: #fff;
    color: var(--danger);
    border-color: #fecaca;
    box-shadow: none;
}

.btn-danger:hover { background: #fef2f2; }

.btn[disabled],
button[disabled] {
    opacity: .55;
    cursor: not-allowed;
    transform: none;
}

.form-grid { display: grid; gap: .7rem; }
.form-inline {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .55rem;
}
.inline-panel {
    padding: .75rem;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: #fbfdff;
}

label {
    display: grid;
    gap: .3rem;
    color: #354052;
    font-size: .9rem;
}

input,
textarea,
select {
    width: 100%;
    border: 1px solid #d4dceb;
    border-radius: 12px;
    padding: .66rem .72rem;
    background: #fff;
    color: var(--text);
}

input[readonly] { background: #f8faff; }
textarea { min-height: 96px; resize: vertical; }

input:focus-visible,
textarea:focus-visible,
select:focus-visible,
button:focus-visible,
a:focus-visible {
    outline: 3px solid rgba(37, 99, 235, .25);
    outline-offset: 1px;
}

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

.itinerary-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin: -.2rem 0 .7rem;
    padding: .25rem 0 .9rem;
    border-bottom: 1px solid var(--line);
}

.itinerary-header h1 {
    margin: 0;
    font-size: 1.65rem;
    font-weight: 600;
}

.itinerary-meta {
    margin: .4rem 0 0;
    display: flex;
    flex-wrap: wrap;
    gap: .7rem;
    color: var(--text-muted);
    font-size: .86rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: .5rem;
    flex-wrap: wrap;
}

.inline-action {
    display: flex;
    align-items: center;
    gap: .45rem;
}

.inline-action input {
    width: 92px;
}

.section-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: .7rem;
    margin-bottom: .7rem;
}

.section-row h2 {
    margin: 0;
    font-size: 1.05rem;
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    font-weight: 600;
}

.link-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: .55rem;
}

.badge-row {
    display: inline-flex;
    gap: .45rem;
    flex-wrap: wrap;
}

.badge {
    font-size: .74rem;
    border-radius: 999px;
    border: 1px solid #d8e3f7;
    background: #f5f8ff;
    color: #2d4b84;
    padding: .25rem .55rem;
    font-weight: 500;
}

.badge-blue {
    color: #1f4ab3;
    border-color: #cfe0ff;
    background: #eef4ff;
}

.footnote {
    margin: .55rem 0 0;
    color: var(--text-muted);
    font-size: .82rem;
}

.timeline-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: .9rem;
}

.stack { display: grid; gap: .9rem; }

.timeline-rail {
    position: relative;
    display: grid;
    gap: .9rem;
}

.timeline-rail::before {
    content: "";
    position: absolute;
    left: 10px;
    top: 6px;
    bottom: 6px;
    width: 1px;
    background: linear-gradient(#dce5f4, #e9eff9);
}

.day-block {
    position: relative;
    padding-left: 1.8rem;
}

.day-block::before {
    content: "";
    position: absolute;
    left: 5px;
    top: .5rem;
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: #fff;
    border: 2px solid var(--primary);
}

.day-block h3 {
    margin: 0 0 .55rem;
    font-size: 1rem;
    font-weight: 600;
}

.day-block h3 span {
    color: var(--text-muted);
    font-weight: 500;
}

.timeline-item-card {
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #fff;
    margin-bottom: .55rem;
}

.timeline-item-card summary {
    display: grid;
    gap: .2rem;
    cursor: pointer;
    list-style: none;
    padding: .65rem .75rem;
}

.timeline-item-card summary::-webkit-details-marker { display: none; }

.timeline-item-card p {
    margin: 0;
    border-top: 1px solid var(--line);
    padding: .6rem .75rem;
    color: #38455a;
}

.item-tag {
    display: inline-flex;
    width: fit-content;
    font-size: .72rem;
    color: #1d4ed8;
    border: 1px solid #d7e4ff;
    background: #f4f8ff;
    border-radius: 999px;
    padding: .15rem .5rem;
}

.add-item-grid {
    display: grid;
    grid-template-columns: 140px 1fr 1fr;
    gap: .5rem;
    margin-top: .55rem;
}

.add-item-grid textarea,
.add-item-grid button {
    grid-column: 1 / -1;
}

.dropzone {
    border: 1px dashed #c7d5eb;
    border-radius: 14px;
    padding: .8rem;
    background: #f9fbff;
    display: grid;
    gap: .6rem;
}

.doc-link {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    color: #1e3a8a;
    font-size: .9rem;
}

.comment {
    margin-top: .55rem;
    padding-top: .55rem;
    border-top: 1px solid var(--line);
}

.auth-card {
    max-width: 560px;
    margin: 1rem auto;
    padding: 1rem;
}

.public-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
}

.icon {
    width: 17px;
    height: 17px;
    display: inline-flex;
}

.icon svg { width: 100%; height: 100%; display: block; }

.toast-stack {
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    z-index: 60;
    display: grid;
    gap: .5rem;
}

.toast {
    min-width: 240px;
    padding: .68rem .84rem;
    border-radius: 12px;
    color: #fff;
    box-shadow: var(--shadow-md);
}

.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-info { background: var(--primary); }

.fade-in { animation: fadeIn .2s var(--ease); }
.fade-in-up { animation: fadeInUp .22s var(--ease); }
.reveal { opacity: 0; transform: translateY(6px); }
.reveal.is-visible { opacity: 1; transform: translateY(0); transition: opacity .2s var(--ease), transform .2s var(--ease); }

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1080px) {
    .app-grid { grid-template-columns: 1fr; }
    .sidebar { position: static; }
    .timeline-grid { grid-template-columns: 1fr; }
    .hero-marketing { grid-template-columns: 1fr; }
    .magazine-strip { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
    .topbar,
    .marketing-nav {
        padding: .8rem;
        flex-wrap: wrap;
    }

    .top-actions,
    .marketing-nav nav {
        width: 100%;
        justify-content: space-between;
    }

    .app-grid,
    .hero-marketing,
    .cards-grid {
        padding: .75rem;
        margin: 0;
    }

    .itinerary-header {
        flex-direction: column;
        align-items: stretch;
    }

    .link-row,
    .add-item-grid {
        grid-template-columns: 1fr;
    }

    .form-inline > * {
        width: 100%;
    }

    .inline-action { width: 100%; }

    .inline-action input { width: 100%; }
}

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