:root {
    --bg: #f6f8ff;
    --surface: #ffffff;
    --surface-2: #f1f5ff;
    --text: #111827;
    --muted: #667085;
    --line: #e4e9f5;
    --blue: #2563eb;
    --blue-2: #60a5fa;
    --violet: #7c3aed;
    --violet-2: #a78bfa;
    --success: #16a34a;
    --danger: #ef4444;
    --shadow: 0 24px 70px rgba(37, 99, 235, 0.12);
    --radius: 26px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    color: var(--text);
    background:
        radial-gradient(circle at 10% 8%, rgba(124, 58, 237, 0.13), transparent 28rem),
        radial-gradient(circle at 90% 4%, rgba(37, 99, 235, 0.16), transparent 30rem),
        linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

button,
input,
textarea {
    font: inherit;
}

button {
    cursor: pointer;
}

a {
    color: var(--blue);
    font-weight: 800;
    text-decoration: none;
}

.hidden {
    display: none !important;
}

.screen {
    display: none;
}

.screen.active {
    display: grid;
}

.language-screen {
    min-height: 100vh;
    place-items: center;
    padding: 24px;
}

.language-card {
    width: min(100%, 980px);
    padding: clamp(30px, 6vw, 72px);
    border: 1px solid rgba(37, 99, 235, 0.12);
    border-radius: 38px;
    background: rgba(255, 255, 255, 0.82);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
    text-align: center;
    animation: rise 0.6s ease both;
}

.brand-mark,
.sidebar-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.brand-mark img {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border-radius: 14px;
}

.brand-mark span,
.sidebar-brand strong {
    font-size: 24px;
    font-weight: 950;
    letter-spacing: -0.05em;
    background: linear-gradient(135deg, var(--blue), var(--violet));
    -webkit-background-clip: text;
    color: transparent;
}

.language-card h1 {
    display: grid;
    gap: 8px;
    margin: 34px auto 18px;
    font-size: clamp(32px, 5vw, 64px);
    line-height: 1.02;
    letter-spacing: -0.06em;
}

.language-card p {
    display: grid;
    gap: 6px;
    color: var(--muted);
    font-size: clamp(16px, 2vw, 21px);
    line-height: 1.55;
}

.language-actions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 38px;
}

.language-actions button,
.primary,
.secondary,
.ghost {
    border: 0;
    border-radius: 18px;
    padding: 14px 18px;
    font-weight: 900;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.language-actions button {
    min-height: 82px;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--line);
    font-size: 18px;
    box-shadow: 0 12px 30px rgba(17, 24, 39, 0.06);
}

.language-actions button:hover,
.primary:hover,
.secondary:hover,
.ghost:hover,
.nav-item:hover,
.bottom-nav button:hover,
.match-card:hover,
.dash-card:hover,
.project-card:hover {
    transform: translateY(-2px);
}

.primary {
    color: #fff;
    background: linear-gradient(135deg, var(--blue), var(--violet));
    box-shadow: 0 18px 34px rgba(37, 99, 235, 0.22);
}

.secondary {
    color: var(--blue);
    background: #eef4ff;
    border: 1px solid #dbe7ff;
}

.ghost {
    color: var(--violet);
    background: #f4efff;
    border: 1px solid #e8ddff;
}

.wide {
    width: 100%;
}

.small {
    padding: 11px 15px;
    border-radius: 14px;
}

.platform {
    display: grid;
    grid-template-columns: 290px minmax(0, 1fr);
    min-height: 100vh;
}

.sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    padding: 24px;
    border-right: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.86);
    backdrop-filter: blur(18px);
}

.sidebar-brand {
    margin-bottom: 30px;
}

.sidebar-brand img {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: 12px;
}

.sidebar-brand span {
    display: block;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

.side-nav {
    display: grid;
    gap: 8px;
}

.nav-item {
    border: 0;
    border-radius: 16px;
    padding: 13px 14px;
    color: #344054;
    background: transparent;
    text-align: left;
    font-weight: 850;
    transition: 0.2s ease;
}

.nav-item.active {
    color: #fff;
    background: linear-gradient(135deg, var(--blue), var(--violet));
    box-shadow: 0 14px 30px rgba(37, 99, 235, 0.18);
}

.content {
    padding: 26px clamp(18px, 4vw, 56px) 100px;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 18px 0;
    background: linear-gradient(180deg, rgba(246, 248, 255, 0.96), rgba(246, 248, 255, 0.74));
    backdrop-filter: blur(14px);
}

.eyebrow,
.pill {
    color: var(--violet);
    font-size: 12px;
    font-weight: 950;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.topbar h2 {
    margin-top: 4px;
    font-size: 24px;
    letter-spacing: -0.04em;
}

.panel {
    display: none;
    animation: rise 0.35s ease both;
}

.panel.active {
    display: block;
}

.panel h1 {
    margin: 10px 0 14px;
    font-size: clamp(34px, 5vw, 62px);
    line-height: 0.98;
    letter-spacing: -0.065em;
}

.lead,
.hero-copy p {
    max-width: 760px;
    color: var(--muted);
    font-size: 18px;
    line-height: 1.65;
}

.hero-grid,
.split,
.profile-layout,
.chat-workspace {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
    gap: 24px;
    align-items: stretch;
}

.hero-copy,
.ai-team-card,
.chat-card,
.tool-card,
.profile-card,
.info-card,
.dash-card,
.project-card,
.match-card,
.team-board,
.project-create {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.9);
    box-shadow: var(--shadow);
}

.hero-copy,
.ai-team-card,
.chat-card,
.tool-card,
.profile-card,
.dash-card,
.project-card,
.match-card,
.team-board {
    padding: clamp(22px, 4vw, 34px);
}

.search-row,
.project-create,
.message-form {
    display: flex;
    gap: 10px;
}

input,
textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 16px;
    outline: none;
    background: #fff;
    padding: 14px 15px;
    color: var(--text);
}

textarea {
    min-height: 120px;
    resize: vertical;
}

input:focus,
textarea:focus {
    border-color: var(--blue-2);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.selected-list,
.tag-row,
.achievement-row,
.quick-answers,
.mini-team,
.team-members {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.selected-list {
    min-height: 34px;
    margin: 14px 0;
}

.selected-list span,
.tag-row span,
.achievement-row span,
.mini-team span,
.team-members span {
    border-radius: 999px;
    padding: 9px 12px;
    color: #1d4ed8;
    background: #eff6ff;
    font-size: 13px;
    font-weight: 850;
}

.ai-team-card h3,
.tool-card h3,
.dash-card h3,
.project-card h3,
.team-board h3 {
    margin-bottom: 10px;
    font-size: 24px;
    letter-spacing: -0.04em;
}

.ai-team-card p,
.dash-card p,
.project-card p,
.team-board p {
    color: var(--muted);
    line-height: 1.6;
    margin-bottom: 18px;
}

.accordion-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.category {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: #fff;
}

.category-toggle {
    width: 100%;
    border: 0;
    padding: 18px;
    background: #fff;
    color: var(--text);
    text-align: left;
    font-weight: 950;
}

.profession-list {
    display: none;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    padding: 0 18px 18px;
}

.category.open .profession-list {
    display: grid;
}

.profession-list button {
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 10px;
    color: var(--muted);
    background: var(--surface-2);
    text-align: left;
    font-weight: 750;
}

.profession-list button.selected {
    color: #fff;
    background: linear-gradient(135deg, var(--blue), var(--violet));
}

.messages {
    display: grid;
    gap: 12px;
    min-height: 290px;
    max-height: 420px;
    overflow-y: auto;
    padding: 6px;
}

.message {
    width: fit-content;
    max-width: 86%;
    border-radius: 18px;
    padding: 12px 14px;
    line-height: 1.5;
}

.message.other {
    background: #eef4ff;
    color: #1e3a8a;
}

.message.me {
    justify-self: end;
    color: #fff;
    background: linear-gradient(135deg, var(--blue), var(--violet));
}

.quick-answers {
    margin: 12px 0;
}

.quick-answers button {
    border: 1px solid #dbe7ff;
    border-radius: 999px;
    padding: 9px 12px;
    color: var(--blue);
    background: #f7faff;
    font-weight: 850;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 22px;
}

.form-grid textarea,
.file-input,
.form-submit {
    grid-column: 1 / -1;
}

.file-input {
    border: 1px dashed #b8c7e8;
    border-radius: 20px;
    padding: 18px;
    color: var(--muted);
    background: #fff;
}

.file-input input {
    margin-top: 10px;
}

.profile-card {
    text-align: center;
}

.avatar {
    display: grid;
    place-items: center;
    width: 118px;
    height: 118px;
    margin: 0 auto 18px;
    border-radius: 34px;
    color: #fff;
    background: linear-gradient(135deg, var(--blue), var(--violet));
    font-size: 42px;
    font-weight: 950;
}

.profile-card h2 {
    font-size: 30px;
    letter-spacing: -0.045em;
}

.profile-card p {
    color: var(--muted);
    margin: 8px 0 20px;
}

.stat-row {
    display: grid;
    grid-template-columns: auto 1fr auto 1fr;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    color: var(--muted);
}

.stat-row strong {
    color: var(--text);
    font-size: 24px;
}

.profile-details {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.info-card {
    padding: 20px;
}

.info-card b {
    display: block;
    margin-bottom: 8px;
}

.info-card span {
    color: var(--muted);
}

.achievement-row {
    grid-column: 1 / -1;
}

.match-grid,
.projects-grid,
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 22px;
}

.match-photo {
    display: grid;
    place-items: center;
    width: 72px;
    height: 72px;
    border-radius: 24px;
    color: #fff;
    background: linear-gradient(135deg, var(--blue-2), var(--violet));
    font-size: 28px;
    font-weight: 950;
}

.match-card h3 {
    margin: 14px 0 4px;
    font-size: 24px;
}

.match-card p {
    color: var(--muted);
    line-height: 1.55;
}

.compat {
    display: grid;
    gap: 8px;
    margin: 16px 0;
}

.compat span {
    display: flex;
    justify-content: space-between;
    border-radius: 12px;
    padding: 9px 10px;
    background: #f4f7ff;
    color: #344054;
    font-size: 13px;
    font-weight: 850;
}

.card-actions {
    display: flex;
    gap: 10px;
}

.like,
.pass {
    flex: 1;
    border: 0;
    border-radius: 14px;
    padding: 12px;
    font-weight: 950;
}

.like {
    color: #fff;
    background: var(--success);
}

.pass {
    color: #fff;
    background: var(--danger);
}

.team-board {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: center;
    margin-top: 22px;
}

.team-members {
    display: grid;
}

.tool-card {
    display: grid;
    gap: 10px;
}

.tool-card button {
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 12px;
    background: #fff;
    text-align: left;
    font-weight: 850;
}

.project-create {
    padding: 14px;
    margin: 20px 0;
}

.project-card .meta {
    display: grid;
    gap: 8px;
    margin: 14px 0;
    color: var(--muted);
    font-size: 14px;
}

.dash-card {
    min-height: 210px;
}

.dash-card.accent {
    color: #fff;
    background: linear-gradient(135deg, var(--blue), var(--violet));
}

.dash-card.accent p,
.dash-card.accent a {
    color: rgba(255, 255, 255, 0.9);
}

.dash-card label {
    display: block;
    margin-top: 10px;
    color: var(--muted);
    font-weight: 750;
}

.bottom-nav {
    position: fixed;
    left: 50%;
    bottom: 16px;
    z-index: 20;
    display: none;
    transform: translateX(-50%);
    width: min(calc(100% - 24px), 520px);
    grid-template-columns: repeat(5, 1fr);
    gap: 6px;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}

.bottom-nav button {
    border: 0;
    border-radius: 18px;
    padding: 9px 5px;
    background: transparent;
    color: var(--muted);
    font-weight: 850;
}

.bottom-nav span {
    display: block;
    margin-top: 3px;
    font-size: 11px;
}

@keyframes rise {
    from {
        opacity: 0;
        transform: translateY(14px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 1100px) {
    .platform {
        grid-template-columns: 1fr;
    }

    .sidebar {
        display: none;
    }

    .bottom-nav {
        display: grid;
    }

    .hero-grid,
    .split,
    .profile-layout,
    .chat-workspace,
    .team-board {
        grid-template-columns: 1fr;
    }

    .accordion-grid,
    .match-grid,
    .projects-grid,
    .dashboard-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .language-actions,
    .accordion-grid,
    .match-grid,
    .projects-grid,
    .dashboard-grid,
    .form-grid,
    .profile-details {
        grid-template-columns: 1fr;
    }

    .content {
        padding: 18px 14px 104px;
    }

    .topbar {
        align-items: flex-start;
        flex-direction: column;
    }

    .search-row,
    .project-create,
    .message-form {
        flex-direction: column;
    }

    .profession-list {
        grid-template-columns: 1fr;
    }
}

.avatar img,
.match-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: inherit;
}

.career-result {
    text-align: left;
    line-height: 1.55;
}

.career-result h3 {
    margin: 6px 0;
    font-size: 22px;
}

.career-result .career-h {
    font-weight: 800;
    color: var(--muted);
    margin-bottom: 2px;
}

.career-result .career-h2 {
    font-weight: 800;
    margin: 14px 0 4px;
}

.career-result .career-match b {
    color: var(--violet);
}

.career-result ul,
.career-result ol {
    margin: 4px 0 0;
    padding-left: 20px;
}

.career-result li {
    margin: 2px 0;
}

.premium-box {
    margin-top: 18px;
    padding: 16px;
    border-radius: 20px;
    text-align: left;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(59, 130, 246, 0.12));
    border: 1px solid rgba(99, 102, 241, 0.25);
}

.premium-box strong {
    display: block;
    margin-bottom: 6px;
}

.premium-box p {
    margin: 6px 0;
    color: var(--muted);
}

.premium-box .pay-info {
    font-size: 14px;
}

.premium-box .pay-status {
    font-weight: 700;
    color: var(--violet);
}

.notif-list {
    margin-top: 12px;
    display: grid;
    gap: 8px;
}

.notif {
    padding: 10px 12px;
    border-radius: 14px;
    background: rgba(148, 163, 184, 0.15);
    font-size: 14px;
}

.eyebrow {
    display: none;
}

/* центрируем экран профориентации */
#ai .split {
    grid-template-columns: minmax(0, 640px);
    justify-content: center;
}

#ai .split > div:first-child {
    text-align: center;
}

/* окно создания проекта */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding: 40px 16px;
    overflow-y: auto;
    background: rgba(15, 23, 42, 0.55);
}

.modal-overlay.open {
    display: flex;
}

.modal {
    width: 100%;
    max-width: 560px;
    background: var(--card, #fff);
    border-radius: 24px;
    padding: 28px;
    position: relative;
}

.modal h2 {
    font-size: 26px;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.modal label {
    display: block;
    font-weight: 800;
    font-size: 14px;
    margin: 14px 0 4px;
}

.modal input,
.modal textarea,
.modal select {
    width: 100%;
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid rgba(148, 163, 184, 0.4);
    background: rgba(148, 163, 184, 0.08);
    font: inherit;
}

.modal textarea {
    min-height: 60px;
    resize: vertical;
}

.modal-close {
    position: absolute;
    top: 18px;
    right: 18px;
    border: none;
    background: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--muted);
}

.team-size-row {
    display: flex;
    gap: 8px;
    margin-top: 6px;
}

.team-size-row button {
    flex: 1;
    padding: 10px;
    border-radius: 12px;
    border: 1px solid rgba(148, 163, 184, 0.4);
    background: none;
    cursor: pointer;
    font: inherit;
}

.team-size-row button.selected {
    border-color: var(--violet);
    background: rgba(99, 102, 241, 0.12);
    font-weight: 800;
}

/* карточка проекта */
.project-card .proj-owner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 8px;
}

.project-card .proj-tag {
    background: rgba(99, 102, 241, 0.12);
    color: var(--violet);
    padding: 4px 10px;
    border-radius: 999px;
}

.project-card .proj-field {
    margin: 8px 0;
    line-height: 1.5;
}

.project-card .proj-field b {
    display: block;
    font-size: 12px;
    letter-spacing: 0.04em;
    color: var(--muted);
    text-transform: uppercase;
}

.project-card .proj-match {
    margin: 10px 0;
    padding: 10px 12px;
    border-radius: 14px;
    background: rgba(34, 197, 94, 0.12);
    color: #15803d;
    font-size: 14px;
    font-weight: 700;
}

.project-card .proj-actions {
    display: flex;
    gap: 8px;
    margin-top: 14px;
}

.project-card .proj-actions button {
    flex: 1;
}

/* личный чат */
.chat-modal {
    max-width: 460px;
    display: flex;
    flex-direction: column;
    height: 70vh;
    padding: 0;
    overflow: hidden;
}

.chat-modal-head {
    padding: 16px 20px;
    border-bottom: 1px solid rgba(148, 163, 184, 0.25);
    font-weight: 800;
}

.chat-modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.chat-modal-form {
    display: flex;
    gap: 8px;
    padding: 12px;
    border-top: 1px solid rgba(148, 163, 184, 0.25);
}

.chat-modal-form input {
    flex: 1;
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid rgba(148, 163, 184, 0.4);
    font: inherit;
}

.match-card .proj-actions {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}

.split-two {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.message.other b {
    display: block;
    font-size: 12px;
    color: var(--muted);
}