:root {
    --bg: #000000;
    --bg-1: #060608;
    --bg-2: #0c0c10;
    --bg-3: #14141a;
    --fg: #f8f8f8;
    --fg-mid: #c8c8c8;
    --fg-dim: #777;
    --fg-faint: #444;
    --border: rgba(255, 255, 255, 0.05);
    --border-strong: rgba(255, 255, 255, 0.15);
    --hi: #ffffff;
    --star: #f4f4f5;
    --good: #e5e5e5;
    --overlay-glass: rgba(255, 255, 255, 0.03);
    --overlay-hover: rgba(255, 255, 255, 0.08);
    --overlay-active: rgba(255, 255, 255, 0.12);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; background: #000; }

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #000;
    color: var(--fg);
    min-height: 100vh;
    line-height: 1.55;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Holographic backdrop — only beyond the centered app, very subtle */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse 30% 30% at 8% 18%, rgba(255,255,255,0.025), transparent 70%),
        radial-gradient(ellipse 28% 28% at 92% 82%, rgba(255,255,255,0.02), transparent 70%);
    animation: holo-drift 28s ease-in-out infinite alternate;
    z-index: 0;
}
@keyframes holo-drift {
    0%   { opacity: 0.7; transform: translate3d(0,0,0); }
    100% { opacity: 1.0; transform: translate3d(20px, -10px, 0); }
}

a { color: #ffffff; text-decoration: none; }
a:hover { color: var(--hi); }

/* Layout: 3 columns, left fixed, right widened */
.app {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr) 380px;
    gap: 28px;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

/* SIDEBAR */
.side {
    position: sticky;
    top: 0;
    height: 100vh;
    padding: 20px 0;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}
.brand {
    display: block;
    padding: 12px 14px 26px;
    text-decoration: none;
    color: inherit;
    transition: transform .35s cubic-bezier(.2,.8,.2,1);
}
.brand:hover { opacity: 0.92; }
.brand-mark {
    width: 100%;
    max-width: 240px;
    height: auto;
    display: block;
    margin: 0 auto 6px;
}
.brand-tag {
    font-size: 8px;
    letter-spacing: 3.5px;
    color: var(--fg-dim);
    text-align: center;
    font-weight: 600;
    max-width: 240px;
    margin: 0 auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 13px 16px;
    color: var(--fg);
    border-radius: 14px;
    margin: 3px 8px;
    font-size: 20px;
    font-weight: 500;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all .35s cubic-bezier(.2,.8,.2,1);
}
.nav-item::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 0%, var(--overlay-hover) 50%, transparent 100%);
    transform: translateX(-110%);
    transition: transform .55s ease;
    opacity: 0;
}
.nav-item:hover { background: var(--bg-2); }
.nav-item:hover::before { transform: translateX(110%); opacity: 1; }
.nav-item.active {
    background: var(--bg-3);
    color: var(--hi);
    font-weight: 700;
    border: 1px solid var(--border-strong);
}
.nav-icon { font-size: 16px; width: 22px; text-align: center; opacity: 0.9; }

.submit-cta {
    margin: 18px 12px;
    padding: 15px;
    background: var(--hi);
    color: #000;
    border: none;
    border-radius: 100px;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    letter-spacing: 0.5px;
    font-family: inherit;
    transition: all .25s ease;
    position: relative;
    overflow: hidden;
}
.submit-cta::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.4) 50%, transparent 70%);
    transform: translateX(-110%);
    transition: transform .7s ease;
    opacity: 0;
}
.submit-cta:hover::after { transform: translateX(110%); opacity: 1; }
.submit-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 40px rgba(255,255,255,0.18);
}
.submit-cta:hover::after { transform: translateX(110%); }

.side-foot {
    margin-top: auto;
    padding: 16px;
    font-size: 11px;
    color: var(--fg-dim);
    line-height: 1.7;
    letter-spacing: 0.3px;
}
.side-foot a { color: #ffffff; }
.side-foot a:hover { color: var(--hi); }

/* MAIN FEED */
.main {
    border-right: 1px solid var(--border);
    border-left: 1px solid var(--border);
    min-height: 100vh;
    background: var(--bg);
}
.feed-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(0, 0, 0, 0.88);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}
.feed-title {
    padding: 18px 22px 10px;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: 'Roboto', sans-serif;
}
.feed-title .live {
    font-size: 10px;
    color: var(--hi);
    letter-spacing: 3px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 7px;
    opacity: 0.85;
}
.feed-title .live::before {
    content: "";
    width: 8px;
    height: 8px;
    background: var(--hi);
    border-radius: 50%;
    box-shadow: 0 0 12px rgba(255,255,255,0.7);
    animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: .35; transform: scale(0.85); } }

.search-bar { padding: 10px 18px; }
.search-bar input {
    width: 100%;
    padding: 13px 18px;
    background: rgba(12, 12, 16, 0.8);
    border: 1px solid var(--border);
    border-radius: 100px;
    color: var(--fg);
    font-size: 17px;
    font-family: inherit;
    outline: none;
    transition: all .25s ease;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.search-bar input:focus {
    border-color: var(--border-strong);
    background: rgba(20, 20, 26, 0.9);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.05);
}
.search-bar input::placeholder { color: var(--fg-dim); }

.filters {
    display: flex;
    gap: 7px;
    padding: 12px 18px 14px;
    overflow-x: auto;
    scrollbar-width: thin;
}
.filters::-webkit-scrollbar { height: 4px; }
.filters::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 2px; }
.chip {
    padding: 8px 16px;
    border: 1px solid var(--border);
    background: var(--bg-1);
    color: var(--fg-mid);
    border-radius: 100px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    font-family: inherit;
    transition: all .3s cubic-bezier(.2,.8,.2,1);
    backdrop-filter: blur(6px);
    position: relative;
    overflow: hidden;
}
.chip::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--overlay-hover);
    opacity: 0;
    transition: opacity .3s ease;
}
.chip:hover { border-color: var(--border-strong); color: var(--fg); transform: translateY(-1px); }
.chip:hover::before { opacity: 1; }
.chip.active {
    background: var(--hi);
    color: #000;
    border-color: var(--hi);
    font-weight: 700;
}

/* POSTS — gentle fade-in (no horizontal slide that exits viewport) */
.post {
    padding: 22px 22px;
    border-bottom: 1px solid var(--border);
    transition: background .25s;
    cursor: pointer;
    position: relative;
    animation: post-fade .35s ease both;
}
@keyframes post-fade {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}
.post:hover { background: var(--overlay-glass); }
.post::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, var(--overlay-hover) 100%);
    opacity: 0;
    transition: opacity .3s ease;
    pointer-events: none;
}
.post:hover::before { opacity: 1; }

.post-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}
.stars {
    display: inline-flex;
    align-items: center;
    gap: 1px;
    font-size: 14px;
    line-height: 1;
}
.stars .filled { color: var(--star); text-shadow: 0 0 10px rgba(255,255,255,0.3); }
.stars .empty { color: var(--fg-faint); }

.tier-label {
    font-size: 10px;
    letter-spacing: 2.5px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 4px;
    text-transform: uppercase;
    background: transparent;
}
.tier-5 { color: var(--hi); border: 1px solid var(--hi); }
.tier-4 { color: var(--fg); border: 1px solid var(--fg-mid); }
.tier-3 { color: var(--fg-mid); border: 1px solid var(--fg-mid); border-style: dashed; }
.tier-2 { color: var(--fg-dim); border: 1px solid var(--fg-dim); border-style: dashed; }
.tier-1 { color: var(--fg-dim); border: 1px solid var(--fg-faint); border-style: dotted; }
.tier-0 { color: var(--fg-faint); border: 1px solid var(--fg-faint); border-style: dotted; }

.post-meta {
    color: var(--fg-dim);
    font-size: 12px;
    margin-left: auto;
    letter-spacing: 0.5px;
}

.post-link-wrapper {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: opacity 0.2s ease;
    position: relative;
    z-index: 1;
}
.post-link-wrapper:hover {
    opacity: 0.9;
}
.post-link-wrapper:hover .post-title {
    color: var(--hi);
}

.post-title {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.32;
    color: var(--fg);
    margin-bottom: 10px;
    letter-spacing: -0.3px;
    font-family: 'Poppins', sans-serif;
}
.post-body {
    font-size: 14px;
    color: var(--fg-mid);
    line-height: 1.6;
    margin-bottom: 12px;
}
.post-media {
    margin: 14px 0;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--border);
    background:
        linear-gradient(135deg, var(--overlay-glass) 0%, transparent 40%, var(--overlay-glass) 100%);
    aspect-ratio: 16/9;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--fg-mid);
    font-size: 13px;
    position: relative;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.post-media-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(0, 0, 0, 0.75);
    border: 1px solid var(--border-strong);
    padding: 4px 11px;
    border-radius: 6px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1.5px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.post-sources {
    font-size: 12px;
    color: var(--fg-dim);
    margin-bottom: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
}
.post-sources span { display: inline-flex; align-items: center; gap: 5px; }

.post-actions {
    display: flex;
    gap: 26px;
    color: var(--fg-dim);
    font-size: 13px;
}
.post-action {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    padding: 4px 0;
    transition: color .25s, transform .25s;
    background: none;
    border: none;
    color: inherit;
    font-family: inherit;
    font-size: inherit;
}
.post-action:hover { color: var(--hi); transform: translateY(-1px); }
.post-action.active { color: var(--hi); font-weight: 700; }

/* Loader */
.loader {
    text-align: center;
    padding: 44px 20px;
    color: var(--fg-dim);
    font-size: 12px;
    letter-spacing: 3px;
}
.loader::before {
    content: "";
    display: inline-block;
    width: 18px;
    height: 18px;
    margin-right: 12px;
    border: 2px solid var(--fg-faint);
    border-top-color: var(--hi);
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
    vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* RIGHT RAIL */
.rail {
    padding: 20px 0;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}
.rail::-webkit-scrollbar { width: 6px; }
.rail::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }

.rail-card {
    background: rgba(12, 12, 16, 0.6);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 18px;
    margin-bottom: 18px;
    transition: all .35s ease;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.rail-card::before {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--overlay-hover) 0%, transparent 50%, var(--overlay-glass) 100%);
    opacity: 0;
    transition: opacity .4s ease;
    pointer-events: none;
}
.rail-card:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.rail-card:hover::before { opacity: 1; }
.rail-card h3 {
    font-size: 17px;
    letter-spacing: 3px;
    color: var(--fg-dim);
    text-transform: uppercase;
    margin-bottom: 14px;
    font-weight: 700;
}
.rail-card .item {
    padding: 10px 0;
    font-size: 19px;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: padding .25s, color .25s;
}
.rail-card .item:last-child { border-bottom: none; }
.rail-card .item:hover { color: var(--hi); }
.rail-card .item-meta {
    font-size: 17px;
    color: var(--fg-dim);
    margin-top: 3px;
    letter-spacing: 0.5px;
}

.principle {
    display: grid;
    grid-template-columns: 16px 1fr;
    gap: 8px;
    padding: 7px 0;
    font-size: 19px;
    color: var(--fg-mid);
}
.principle-mark { color: var(--hi); font-weight: 700; }

.alliance { display: flex; flex-direction: column; gap: 10px; }
.ally { display: flex; align-items: center; gap: 12px; padding: 6px 0; font-size: 17px; }
.ally img {
    width: 40px; height: 40px; flex-shrink: 0;
    filter: grayscale(1) brightness(1.4) contrast(0.95);
    opacity: 0.9;
}
.ally-mark {
    width: 40px; height: 40px; flex-shrink: 0;
    display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid var(--border-strong); border-radius: 8px;
    font-size: 16px; font-weight: 700; color: var(--fg); letter-spacing: 0.5px;
    background: var(--bg-2);
}
.accord {
    margin-top: 16px; padding-top: 14px;
    border-top: 1px solid var(--border);
    font-size: 15px; font-style: italic; color: var(--fg-dim); line-height: 1.55;
    letter-spacing: 0.3px;
}

/* MODAL */
.modal-back {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: 100;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.modal-back.show { display: flex; animation: fade-in .25s ease; }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
.modal {
    background: rgba(12, 12, 16, 0.95);
    border: 1px solid var(--border-strong);
    border-radius: 20px;
    width: 100%;
    max-width: 560px;
    padding: 32px;
    animation: modal-slide .4s cubic-bezier(.2,.8,.2,1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.05);
}
@keyframes modal-slide { from { opacity: 0; transform: translateY(20px) scale(.97); } to { opacity: 1; transform: none; } }
.modal h2 {
    font-size: 20px;
    margin-bottom: 8px;
    font-family: 'Roboto', sans-serif;
    letter-spacing: -0.5px;
}
.modal-sub { color: var(--fg-dim); font-size: 13px; margin-bottom: 22px; }
.modal label { display: block; font-size: 11px; letter-spacing: 2px; color: var(--fg-dim); margin: 16px 0 7px; text-transform: uppercase; font-weight: 600; }
.modal input, .modal textarea, .modal select {
    width: 100%;
    padding: 12px 14px;
    background: rgba(12, 12, 16, 0.8);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--fg);
    font-family: inherit;
    font-size: 14px;
    outline: none;
    transition: all .2s ease;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.modal input:focus, .modal textarea:focus, .modal select:focus {
    border-color: var(--border-strong);
    background: rgba(20, 20, 26, 0.9);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.05);
}
.modal textarea { min-height: 110px; resize: vertical; }
.modal-actions { display: flex; gap: 10px; margin-top: 24px; justify-content: flex-end; }
.btn-secondary {
    padding: 12px 22px;
    background: transparent;
    border: 1px solid var(--border-strong);
    color: var(--fg);
    border-radius: 100px;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    font-family: inherit;
    transition: all .2s ease;
}
.btn-secondary:hover { background: var(--overlay-hover); }
.btn-primary {
    padding: 12px 24px;
    background: var(--hi);
    color: #000;
    border: none;
    border-radius: 100px;
    font-weight: 700;
    font-size: 13px;
    cursor: pointer;
    font-family: inherit;
    letter-spacing: 0.3px;
    transition: all .2s ease;
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(255, 255, 255, 0.2);
}

/* MOBILE */
@media (max-width: 1100px) {
    body { font-size: 14px; }
    .app { grid-template-columns: 220px 1fr; gap: 18px; }
    .rail { display: none; }
}
@media (max-width: 720px) {
    body { font-size: 14px; }
    .app { grid-template-columns: 1fr; padding: 0; }
    .side {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        top: auto;
        height: auto;
        flex-direction: row;
        background: rgba(0, 0, 0, 0.9);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-top: 1px solid var(--border-strong);
        border-right: none;
        z-index: 50;
        padding: 8px;
        justify-content: space-around;
        box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.5);
    }
    .brand, .submit-cta, .side-foot { display: none; }
    .nav-item { flex: 1; flex-direction: column; gap: 2px; padding: 8px; font-size: 10px; margin: 0; }
    .nav-icon { font-size: 18px; }
    .main { border-left: none; border-right: none; padding-bottom: 80px; }
    .feed-title { padding: 14px 16px 6px; font-size: 16px; }
}