:root {
    --bg-primary: #edf3ec;
    --bg-secondary: #f7faf6;
    --bg-card: rgba(255, 255, 255, 0.72);
    --bg-card-strong: #ffffff;
    --text-primary: #1d2f26;
    --text-secondary: #5d7164;
    --accent: #87ad91;
    --accent-strong: #567963;
    --accent-soft: #eaf3ea;
    --border: rgba(42, 68, 57, 0.09);
    --shadow: 0 24px 50px rgba(38, 62, 53, 0.08);
    --success: #77a878;
    --warning: #e8b66f;
    --radius-xl: 28px;
    --radius-lg: 22px;
    --radius-md: 16px;
    --radius-sm: 12px;
    --transition: all 0.25s ease;
}

[data-theme="dark"] {
    --bg-primary: #121917;
    --bg-secondary: #1a241f;
    --bg-card: rgba(24, 33, 30, 0.8);
    --bg-card-strong: #1f2a26;
    --text-primary: #ebf1ed;
    --text-secondary: #adbdb4;
    --accent: #9ac0a2;
    --accent-strong: #c7dcc9;
    --accent-soft: rgba(154, 192, 162, 0.12);
    --border: rgba(170, 196, 178, 0.12);
    --shadow: 0 24px 50px rgba(0, 0, 0, 0.32);
    --success: #98d59f;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'SF Pro Display', 'Segoe UI', sans-serif;
    background:
        radial-gradient(circle at top left, rgba(135, 173, 145, 0.18), transparent 24%),
        linear-gradient(180deg, var(--bg-primary) 0%, #eef5ee 100%);
    color: var(--text-primary);
    transition: var(--transition);
    line-height: 1.5;
}

button,
input,
textarea {
    font: inherit;
}

button {
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

img,
video,
audio {
    max-width: 100%;
    display: block;
}

header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    background: rgba(246, 249, 245, 0.72);
    border-bottom: 1px solid var(--border);
}

[data-theme="dark"] header {
    background: rgba(18, 25, 23, 0.72);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand-wrap {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-mark {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: linear-gradient(135deg, #dfece0, #8aaf93);
    color: var(--accent-strong);
    font-weight: 800;
    box-shadow: 0 12px 24px rgba(120, 163, 131, 0.25);
}

.logo {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.06em;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.btn-icon,
.btn-primary,
.btn-secondary,
.ghost-btn,
.mini-btn,
.soft-btn,
.close-modal {
    font-family: inherit;
    border-radius: 14px;
}

.btn-icon {
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.45);
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: white;
    padding: 0.7rem 1.05rem;
    font-weight: 700;
    box-shadow: 0 12px 18px rgba(86, 121, 99, 0.2);
}

.btn-primary:hover {
    transform: translateY(-1px);
    filter: brightness(1.02);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.62);
    color: var(--text-primary);
    border: 1px solid var(--border);
    padding: 0.7rem 1rem;
    font-weight: 600;
}

.btn-wide {
    width: 100%;
}

main {
    max-width: 1280px;
    margin: 2rem auto;
    padding: 0 1.25rem 2rem;
}

.auth-card {
    max-width: 480px;
    margin: 3rem auto 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    padding: 2rem;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.auth-hero {
    text-align: center;
    margin-bottom: 1.6rem;
}

.auth-badge {
    display: inline-block;
    background: var(--accent-soft);
    color: var(--accent-strong);
    padding: 0.4rem 0.8rem;
    border-radius: 999px;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.auth-card h2 {
    font-size: clamp(2rem, 3vw, 2.7rem);
    letter-spacing: -0.07em;
    margin-bottom: 0.6rem;
}

.auth-hero p {
    color: var(--text-secondary);
    font-size: 0.96rem;
}

.auth-form {
    display: grid;
    gap: 1rem;
}

.form-group {
    display: grid;
    gap: 0.45rem;
}

.form-group label {
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 700;
}

.form-group input,
.form-group textarea,
.comment-input,
.edit-form textarea {
    width: 100%;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.42);
    color: var(--text-primary);
    border-radius: 14px;
    padding: 0.95rem 1rem;
    resize: vertical;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.comment-input:focus,
.edit-form textarea:focus {
    outline: none;
    border-color: rgba(135, 173, 145, 0.55);
    box-shadow: 0 0 0 4px rgba(135, 173, 145, 0.12);
}

.auth-toggle-text {
    margin-top: 1.2rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.auth-toggle-text span {
    color: var(--accent-strong);
    font-weight: 700;
    cursor: pointer;
}

.app-shell {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr) 340px;
    gap: 1.25rem;
    align-items: flex-start;
}

.side-panel,
.feed-column {
    min-width: 0;
}

.left-panel,
.right-panel {
    position: sticky;
    top: 88px;
}

.panel-card,
.card,
.post-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.panel-card {
    padding: 1rem;
    margin-bottom: 1.1rem;
}

.profile-card {
    padding: 1.1rem;
}

.profile-row {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1rem;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #edf7ea, #bdd8c2);
    color: var(--accent-strong);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    border: 1px solid rgba(86, 121, 99, 0.1);
}

.avatar-large {
    width: 48px;
    height: 48px;
}

.profile-name {
    font-weight: 800;
    letter-spacing: -0.03em;
}

.profile-status {
    color: var(--text-secondary);
    font-size: 0.76rem;
    display: flex;
    align-items: center;
    gap: 0.45rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    display: inline-block;
    box-shadow: 0 0 0 3px rgba(119, 168, 120, 0.18);
}

.mini-metrics {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
}

.mini-metrics div {
    background: rgba(255, 255, 255, 0.35);
    border-radius: 14px;
    padding: 0.8rem 0.75rem;
    display: grid;
    gap: 0.2rem;
}

.mini-metrics strong {
    font-size: 0.95rem;
}

.mini-metrics span {
    color: var(--text-secondary);
    font-size: 0.7rem;
}

.panel-header-compact {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.8rem;
}

.panel-header-compact h3,
.comments-header h3 {
    font-size: 1rem;
    letter-spacing: -0.03em;
}

.pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 28px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
}

.soft-green {
    background: var(--accent-soft);
    color: var(--accent-strong);
}

.people-list {
    display: grid;
    gap: 0.8rem;
}

.person-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.65rem;
    padding: 0.45rem 0.2rem;
}

.person-meta {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    min-width: 0;
}

.person-meta .avatar {
    width: 34px;
    height: 34px;
    font-size: 0.78rem;
}

.person-copy {
    min-width: 0;
}

.person-copy strong,
.person-copy span {
    display: block;
}

.person-copy strong {
    font-size: 0.82rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.person-copy span {
    color: var(--text-secondary);
    font-size: 0.7rem;
}

.mini-btn,
.soft-btn {
    background: rgba(135, 173, 145, 0.08);
    color: var(--accent-strong);
    border: 1px solid rgba(135, 173, 145, 0.15);
    font-weight: 700;
    padding: 0.55rem 0.7rem;
    font-size: 0.72rem;
}

.feed-column {
    display: grid;
    gap: 1rem;
}

.card {
    padding: 1rem 1.1rem 0.9rem;
}

.composer {
    padding-top: 1.1rem;
}

.composer-header {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    margin-bottom: 0.8rem;
}

.composer-label {
    font-weight: 700;
    letter-spacing: -0.03em;
}

.post-textarea {
    min-height: 118px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.42);
    padding: 1rem;
    width: 100%;
    resize: vertical;
    color: var(--text-primary);
}

.file-preview {
    display: none;
    margin: 0.7rem 0 0;
    font-size: 0.77rem;
    color: var(--accent-strong);
    background: var(--accent-soft);
    border-radius: 12px;
    padding: 0.6rem 0.8rem;
}

.composer-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.9rem;
}

.file-upload-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 0.9rem;
    background: rgba(135, 173, 145, 0.08);
    border: 1px solid rgba(135, 173, 145, 0.15);
    border-radius: 14px;
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 700;
}

#file-input {
    display: none;
}

.feed-list {
    display: grid;
    gap: 1rem;
}

.post-card {
    padding: 1.1rem;
    transition: var(--transition);
}

.post-card.active-comment {
    border-color: rgba(135, 173, 145, 0.45);
    box-shadow: 0 18px 30px rgba(86, 121, 99, 0.12);
}

.post-header {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    margin-bottom: 0.9rem;
}

.post-meta {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    min-width: 0;
}

.post-user {
    font-weight: 700;
    letter-spacing: -0.03em;
}

.post-time {
    margin-left: auto;
    color: var(--text-secondary);
    font-size: 0.72rem;
}

.post-copy {
    white-space: pre-wrap;
    line-height: 1.7;
    margin-bottom: 0.9rem;
    font-size: 0.96rem;
}

.post-media {
    border-radius: var(--radius-md);
    margin-bottom: 0.9rem;
    border: 1px solid var(--border);
    width: 100%;
    object-fit: cover;
}

.post-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    padding-top: 0.4rem;
    color: var(--text-secondary);
    font-size: 0.73rem;
    margin-bottom: 0.75rem;
}

.post-actions-row {
    display: flex;
    gap: 0.55rem;
    flex-wrap: wrap;
    margin-bottom: 0.85rem;
}

.soft-btn {
    flex: 1;
    min-width: 90px;
    padding: 0.72rem 0.8rem;
    background: rgba(135, 173, 145, 0.06);
    border: 1px solid rgba(135, 173, 145, 0.14);
    color: var(--text-primary);
    font-weight: 700;
}

.soft-btn.active {
    background: rgba(135, 173, 145, 0.14);
    color: var(--accent-strong);
}

.dm-btn {
    background: rgba(255, 255, 255, 0.42);
}

.comment-form {
    display: flex;
    gap: 0.6rem;
    align-items: center;
    margin-top: 0.15rem;
}

.comment-input {
    flex: 1;
    padding: 0.7rem 0.9rem;
    font-size: 0.8rem;
}

.comment-submit {
    padding: 0.72rem 0.95rem;
    min-width: 76px;
}

.comment-list {
    display: grid;
    gap: 0.7rem;
    margin-top: 0.9rem;
    padding-top: 0.8rem;
    border-top: 1px solid var(--border);
}

.comment-item {
    display: flex;
    gap: 0.5rem;
    align-items: flex-start;
    font-size: 0.8rem;
    line-height: 1.5;
}

.comment-user {
    font-weight: 700;
    color: var(--text-primary);
}

.comment-text {
    color: var(--text-secondary);
}

.edit-form {
    display: grid;
    gap: 0.75rem;
}

.edit-form textarea {
    min-height: 110px;
}

.edit-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.6rem;
}

.ghost-btn {
    background: rgba(255, 255, 255, 0.46);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.6rem 0.8rem;
    font-weight: 700;
}

.comments-card {
    min-height: 320px;
}

.comments-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.comments-header .count-badge {
    background: var(--accent-soft);
    color: var(--accent-strong);
    border-radius: 999px;
    padding: 0.35rem 0.55rem;
    font-size: 0.72rem;
    font-weight: 700;
}

.comment-thread {
    display: grid;
    gap: 0.8rem;
    margin-bottom: 1rem;
}

.thread-empty,
.empty-feed {
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: rgba(135, 173, 145, 0.04);
    border: 1px dashed rgba(135, 173, 145, 0.25);
    border-radius: var(--radius-md);
    padding: 1rem;
    color: var(--text-secondary);
}

.panel-comment-form {
    display: flex;
    gap: 0.6rem;
    margin-top: 0.4rem;
}

.modal {
    position: fixed;
    inset: 0;
    background: rgba(15, 22, 17, 0.35);
    display: grid;
    place-items: center;
    padding: 1.25rem;
    z-index: 100;
}

.modal-panel {
    width: min(440px, 100%);
    background: var(--bg-card-strong);
    border: 1px solid var(--border);
    border-radius: 26px;
    box-shadow: var(--shadow);
    padding: 1.2rem;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.eyebrow {
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    margin-bottom: 0.3rem;
}

.close-modal {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(135, 173, 145, 0.08);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.settings-list {
    display: grid;
    gap: 0.7rem;
    margin-bottom: 1rem;
}

.setting-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.7rem;
    padding: 0.8rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.38);
}

.setting-row span {
    display: grid;
    gap: 0.18rem;
}

.setting-row strong {
    font-size: 0.9rem;
}

.setting-row small {
    color: var(--text-secondary);
    font-size: 0.72rem;
}

.setting-row input {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-strong);
}

.toast {
    position: fixed;
    left: 50%;
    bottom: 1.4rem;
    transform: translateX(-50%) translateY(16px);
    min-width: 180px;
    max-width: 80vw;
    padding: 0.8rem 1rem;
    background: rgba(22, 27, 25, 0.9);
    color: white;
    text-align: center;
    border-radius: 12px;
    font-size: 0.8rem;
    opacity: 0;
    pointer-events: none;
    transition: all 0.25s ease;
    z-index: 150;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.hidden {
    display: none !important;
}

@media (max-width: 1080px) {
    .app-shell {
        grid-template-columns: 220px minmax(0, 1fr);
    }

    .right-panel {
        grid-column: 1 / -1;
        position: static;
        margin-top: 0.2rem;
    }
}

@media (max-width: 760px) {
    .nav-container {
        padding: 0.8rem 1rem;
    }

    .nav-actions {
        gap: 0.4rem;
    }

    .logo {
        font-size: 1.3rem;
    }

    .app-shell {
        grid-template-columns: 1fr;
    }

    .left-panel,
    .right-panel {
        position: static;
    }

    .composer-actions,
    .comment-form,
    .panel-comment-form {
        flex-direction: column;
        align-items: stretch;
    }

    .post-actions-row {
        flex-wrap: nowrap;
    }
}