/* ==========================================================================
   ForumKita — Lunetra-Inspired Obsidian, Cobalt Spotlight & Glass UI
   ========================================================================== */

:root {
    --fk-void:          #020408;
    --fk-bg:            #03060c;
    --fk-surface:       rgba(10, 15, 26, 0.78);
    --fk-surface-solid: #080d18;
    --fk-surface-2:     rgba(255, 255, 255, 0.035);
    --fk-surface-3:     rgba(255, 255, 255, 0.065);
    --fk-glass:         rgba(3, 6, 12, 0.82);

    --fk-border:        rgba(255, 255, 255, 0.08);
    --fk-border-strong: rgba(255, 255, 255, 0.16);
    --fk-border-ice:    rgba(125, 211, 252, 0.34);
    --fk-specular:      inset 0 1px 0 rgba(255, 255, 255, 0.11);

    --fk-text:          #f8fafc;
    --fk-text-soft:     rgba(248, 250, 252, 0.68);
    --fk-text-muted:    rgba(248, 250, 252, 0.44);

    --fk-ice:           #93c5fd;
    --fk-ice-bright:    #dbeafe;
    --fk-cobalt:        #3b82f6;
    --fk-ice-dim:       rgba(147, 197, 253, 0.12);
    --fk-cobalt-dim:    rgba(59, 130, 246, 0.16);

    --fk-like:          #fb7185;
    --fk-like-dim:      rgba(251, 113, 133, 0.14);
    --fk-success:       #34d399;
    --fk-warning:       #fbbf24;
    --fk-danger:        #f87171;

    --fk-shadow:        0 18px 50px rgba(0, 0, 0, 0.55);
    --fk-shadow-glow:   0 0 60px rgba(59, 130, 246, 0.14);

    --fk-radius-xl:     22px;
    --fk-radius-lg:     16px;
    --fk-radius-md:     12px;
    --fk-radius-pill:   999px;
}

[data-theme="light"] {
    --fk-void:          #e8eef7;
    --fk-bg:            #f2f5fb;
    --fk-surface:       rgba(255, 255, 255, 0.92);
    --fk-surface-solid: #ffffff;
    --fk-surface-2:     rgba(15, 23, 42, 0.035);
    --fk-surface-3:     rgba(15, 23, 42, 0.065);
    --fk-glass:         rgba(242, 245, 251, 0.88);

    --fk-border:        rgba(15, 23, 42, 0.08);
    --fk-border-strong: rgba(15, 23, 42, 0.16);
    --fk-border-ice:    rgba(37, 99, 235, 0.3);
    --fk-specular:      inset 0 1px 0 rgba(255, 255, 255, 0.95);

    --fk-text:          #0a1120;
    --fk-text-soft:     #475569;
    --fk-text-muted:    #94a3b8;

    --fk-ice:           #2563eb;
    --fk-ice-bright:    #1d4ed8;
    --fk-ice-dim:       rgba(37, 99, 235, 0.08);
    --fk-cobalt-dim:    rgba(37, 99, 235, 0.12);
    --fk-shadow:        0 10px 30px rgba(15, 23, 42, 0.06);
    --fk-shadow-glow:   none;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--fk-bg);
    color: var(--fk-text);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    letter-spacing: -0.012em;
}

/* ---------- Workspace & Auth Ambient Backdrop ---------- */
body::before {
    content: '';
    position: fixed;
    top: -240px;
    left: 50%;
    transform: translateX(-50%);
    width: 1150px;
    height: 620px;
    background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.16) 0%, rgba(147, 197, 253, 0.04) 42%, transparent 72%);
    pointer-events: none;
    z-index: 0;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
    background-size: 68px 68px;
    mask-image: radial-gradient(ellipse at 50% 18%, #000 18%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at 50% 18%, #000 18%, transparent 80%);
    pointer-events: none;
    z-index: 0;
}

[data-theme="light"] body::after {
    background-image:
        linear-gradient(rgba(15, 23, 42, 0.032) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 23, 42, 0.032) 1px, transparent 1px);
}

/* ---------- Auth Split Portal (login.php) ---------- */
.auth-portal-wrap {
    position: relative;
    z-index: 1;
}

.auth-showcase-card {
    padding: 1.25rem 1.35rem;
    background: linear-gradient(155deg, rgba(12, 20, 36, 0.88) 0%, rgba(8, 13, 24, 0.82) 100%);
    border-color: rgba(147, 197, 253, 0.14);
}

[data-theme="light"] .auth-showcase-card {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(37, 99, 235, 0.14);
}

.auth-preview-tabs {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.auth-preview-tab {
    border: 1px solid var(--fk-border);
    background: var(--fk-surface-2);
    color: var(--fk-text-muted);
    font-size: 0.74rem;
    font-weight: 500;
    padding: 0.3rem 0.68rem;
    border-radius: var(--fk-radius-pill);
    cursor: pointer;
    transition: all 0.2s ease;
}

.auth-preview-tab:hover {
    color: var(--fk-text);
    border-color: var(--fk-border-strong);
}

.auth-preview-tab.active {
    background: var(--fk-ice-dim);
    border-color: var(--fk-border-ice);
    color: var(--fk-ice-bright);
}

.auth-stat-strip {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem 1.35rem;
    padding: 0.2rem 0.15rem;
}

.auth-stat-cell {
    display: flex;
    align-items: baseline;
    gap: 0.45rem;
}

.auth-stat-divider {
    width: 1px;
    height: 16px;
    background: var(--fk-border-strong);
}

.auth-card {
    border-color: rgba(147, 197, 253, 0.2);
    box-shadow: var(--fk-specular), var(--fk-shadow), var(--fk-shadow-glow);
}

.auth-inline-link {
    background: none;
    border: none;
    padding: 0;
    margin-left: 0.25rem;
    color: var(--fk-ice);
    font-weight: 600;
    cursor: pointer;
}

.auth-inline-link:hover {
    color: var(--fk-ice-bright);
    text-decoration: underline;
}

/* Floating Frosted Glass Performance Chart Card (index.php & admin.php) */
.lunetra-perf-card {
    width: 220px;
    padding: 16px 18px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.22);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25), 0 24px 50px rgba(2, 10, 28, 0.38);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
    color: #fff;
}

.lunetra-perf-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #ffffff;
    box-shadow: 0 0 16px rgba(255, 255, 255, 0.85);
}

/* ---------- Editorial Contrast Headings ---------- */
main, aside, nav, header, .container-xl, .container {
    position: relative;
    z-index: 1;
}

.text-muted-soft { color: var(--fk-text-muted) !important; }
.text-soft { color: var(--fk-text-soft) !important; }
.font-mono { font-family: 'JetBrains Mono', monospace; }

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--fk-border-strong); border-radius: 99px; }

.editorial-heading {
    letter-spacing: -0.042em;
    line-height: 1.07;
    font-weight: 500;
    color: var(--fk-text);
}

.editorial-heading .dim {
    color: rgba(248, 250, 252, 0.44);
    font-weight: 400;
}

[data-theme="light"] .editorial-heading .dim {
    color: #94a3b8;
}

/* ---------- HUD Frame & Corner Ticks ---------- */
.hud-frame { position: relative; }

.hud-cross {
    position: absolute;
    width: 11px;
    height: 11px;
    pointer-events: none;
    opacity: 0.48;
}

.hud-cross::before,
.hud-cross::after {
    content: '';
    position: absolute;
    background: var(--fk-ice-bright);
}

.hud-cross::before { width: 11px; height: 1px; top: 5px; left: 0; }
.hud-cross::after  { width: 1px; height: 11px; left: 5px; top: 0; }

.hud-cross.tl { top: -6px; left: -6px; }
.hud-cross.tr { top: -6px; right: -6px; }
.hud-cross.bl { bottom: -6px; left: -6px; }
.hud-cross.br { bottom: -6px; right: -6px; }

/* ---------- Signature Pill Badges & CTA Capsule ---------- */
.hud-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.42rem 0.95rem;
    border-radius: var(--fk-radius-pill);
    background: rgba(18, 26, 40, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(14px);
    font-size: 0.78rem;
    font-weight: 500;
    color: rgba(248, 250, 252, 0.88);
    letter-spacing: -0.01em;
}

[data-theme="light"] .hud-pill {
    background: rgba(255, 255, 255, 0.88);
    color: #0f172a;
    border-color: rgba(15, 23, 42, 0.12);
}

.hud-pill-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ffffff;
    box-shadow: 0 0 10px #fff, 0 0 18px rgba(147, 197, 253, 0.85);
    flex-shrink: 0;
}

[data-theme="light"] .hud-pill-dot {
    background: #2563eb;
    box-shadow: 0 0 8px rgba(37, 99, 235, 0.5);
}

.hud-pill.dot-emerald .hud-pill-dot { background: var(--fk-success); box-shadow: 0 0 10px var(--fk-success); }
.hud-pill.dot-amber .hud-pill-dot   { background: var(--fk-warning); box-shadow: 0 0 10px var(--fk-warning); }

.cta-pill-btn {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.9rem;
    padding: 0.36rem 0.4rem 0.36rem 1.2rem;
    border-radius: var(--fk-radius-pill);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.16);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 10px 28px rgba(0, 0, 0, 0.35);
    color: #ffffff;
    font-size: 0.84rem;
    font-weight: 500;
    cursor: pointer;
    backdrop-filter: blur(14px);
    transition: all 0.24s cubic-bezier(0.22, 1, 0.36, 1);
    text-decoration: none;
}

.cta-pill-btn:hover {
    background: rgba(147, 197, 253, 0.18);
    border-color: var(--fk-border-ice);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18), 0 0 30px rgba(59, 130, 246, 0.28);
}

.cta-pill-circle {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: #ffffff;
    color: #03060a;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    transition: transform 0.24s cubic-bezier(0.22, 1, 0.36, 1);
}

.cta-pill-btn:hover .cta-pill-circle { transform: translateX(2px) scale(1.05); }

[data-theme="light"] .cta-pill-btn {
    background: #0f172a;
    color: #ffffff;
    border-color: #0f172a;
}

/* ---------- Standard Buttons ---------- */
.btn-primary {
    background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    border: 1px solid rgba(147, 197, 253, 0.28);
    color: #fff;
    font-weight: 500;
    font-size: 0.86rem;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 4px 18px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
    color: #fff;
}

.btn-outline-secondary {
    border-color: var(--fk-border-strong);
    color: var(--fk-text-soft);
    background: var(--fk-surface-2);
}

.btn-outline-secondary:hover {
    border-color: var(--fk-border-ice);
    color: var(--fk-text);
    background: var(--fk-ice-dim);
}

.btn-outline-danger {
    border-color: rgba(248, 113, 113, 0.3);
    color: var(--fk-danger);
    background: transparent;
}

.btn-outline-danger:hover {
    background: rgba(248, 113, 113, 0.14);
    border-color: var(--fk-danger);
    color: var(--fk-danger);
}

.btn-icon-soft {
    width: 36px;
    height: 36px;
    border-radius: var(--fk-radius-pill);
    border: 1px solid var(--fk-border);
    background: var(--fk-surface-2);
    color: var(--fk-text-soft);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn-icon-soft:hover {
    background: var(--fk-ice-dim);
    border-color: var(--fk-border-ice);
    color: var(--fk-ice-bright);
}

.btn-icon-xs {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    border: none;
    background: transparent;
    color: var(--fk-text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.74rem;
    transition: all 0.15s ease;
}

.btn-icon-xs:hover {
    background: var(--fk-surface-3);
    color: var(--fk-text);
}

/* ---------- Workspace Navbar & Hero Banner (index.php & admin.php) ---------- */
.fk-navbar {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: var(--fk-glass);
    backdrop-filter: blur(22px) saturate(1.3);
    -webkit-backdrop-filter: blur(22px) saturate(1.3);
    border-bottom: 1px solid var(--fk-border);
    padding: 0.75rem 0;
}

.fk-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    color: var(--fk-text);
    font-weight: 600;
    font-size: 1.04rem;
    letter-spacing: -0.03em;
}

.fk-brand:hover { color: var(--fk-text); }

.fk-star-mark {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: linear-gradient(135deg, rgba(255,255,255,0.12) 0%, rgba(147,197,253,0.18) 100%);
    border: 1px solid var(--fk-border-strong);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--fk-ice-bright);
}

[data-theme="light"] .fk-star-mark { background: #0f172a; color: #fff; }

.lunetra-hero-banner {
    position: relative;
    border-radius: 24px;
    border: 1px solid rgba(125, 211, 252, 0.22);
    background:
        radial-gradient(circle at var(--mx, 75%) var(--my, 25%), rgba(96, 165, 250, 0.28) 0%, rgba(30, 74, 128, 0.24) 40%, rgba(6, 13, 28, 0.96) 82%);
    overflow: hidden;
    padding: 1.75rem 2rem;
    box-shadow: var(--fk-specular), var(--fk-shadow);
    color: #fff;
    transition: border-color 0.25s ease;
}

.lunetra-hero-banner:hover {
    border-color: rgba(147, 197, 253, 0.38);
}

.banner-aurora {
    position: absolute;
    inset: -35%;
    background:
        radial-gradient(circle at 22% 45%, rgba(56, 189, 248, 0.22) 0%, transparent 45%),
        radial-gradient(circle at 82% 35%, rgba(59, 130, 246, 0.26) 0%, transparent 48%),
        radial-gradient(circle at 52% 85%, rgba(99, 102, 241, 0.14) 0%, transparent 42%);
    filter: blur(28px);
    animation: auroraDrift 14s ease-in-out infinite alternate;
    pointer-events: none;
}

@keyframes auroraDrift {
    0%   { transform: translate3d(-2%, 0, 0) scale(1); }
    100% { transform: translate3d(3%, -3%, 0) scale(1.06); }
}

/* Interactive Cursor Spotlight & Smooth Progress */
.fk-scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    width: 0%;
    background: linear-gradient(90deg, #3b82f6 0%, #93c5fd 60%, #e0f2fe 100%);
    box-shadow: 0 0 12px rgba(147, 197, 253, 0.75);
    z-index: 1100;
    pointer-events: none;
    transition: width 0.08s linear;
}

[data-spotlight="1"] {
    position: relative;
}

[data-spotlight="1"]::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 50%), rgba(147, 197, 253, 0.11), transparent 62%);
    opacity: 0;
    transition: opacity 0.28s ease;
    pointer-events: none;
    z-index: 0;
}

[data-spotlight="1"]:hover::after {
    opacity: 1;
}

[data-spotlight="1"] > :not(.hud-cross):not(.banner-aurora) {
    position: relative;
    z-index: 1;
}

/* Animated SVG Sparkline */
.fk-wave-path {
    stroke-dasharray: 240;
    stroke-dashoffset: 240;
    animation: waveReveal 1.35s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.fk-wave-dot {
    animation: wavePulse 2.4s ease-in-out infinite;
    transform-origin: center;
}

@keyframes waveReveal {
    to { stroke-dashoffset: 0; }
}

@keyframes wavePulse {
    0%, 100% { opacity: 1; filter: drop-shadow(0 0 4px #bae6fd); }
    50%      { opacity: 0.65; filter: drop-shadow(0 0 10px #ffffff); }
}

/* Search Bar */
.fk-search-wrap { position: relative; width: 100%; max-width: 400px; }

.fk-search-wrap .search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--fk-text-muted);
    pointer-events: none;
    font-size: 0.85rem;
}

.fk-search-input {
    width: 100%;
    padding: 0.48rem 3.4rem 0.48rem 2.35rem;
    border-radius: var(--fk-radius-pill);
    border: 1px solid var(--fk-border);
    background-color: var(--fk-surface-2);
    color: var(--fk-text);
    font-size: 0.84rem;
    transition: all 0.2s ease;
}

.fk-search-input::placeholder { color: var(--fk-text-muted); }

.fk-search-input:focus {
    outline: none;
    border-color: var(--fk-border-ice);
    background-color: var(--fk-surface-solid);
    box-shadow: 0 0 0 3px var(--fk-cobalt-dim);
}

.fk-kbd-hint {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    color: var(--fk-text-muted);
    border: 1px solid var(--fk-border);
    background: var(--fk-surface-2);
    padding: 0.08rem 0.42rem;
    border-radius: 5px;
    pointer-events: none;
}

.fk-search-clear {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    border: none;
    background: transparent;
    color: var(--fk-text-muted);
    padding: 2px 4px;
    cursor: pointer;
}

/* ---------- Cards, Avatars, Filters, Feed ---------- */
.fk-card {
    background: var(--fk-surface);
    border: 1px solid var(--fk-border);
    border-radius: var(--fk-radius-xl);
    padding: 1.35rem;
    box-shadow: var(--fk-specular), var(--fk-shadow);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
    position: relative;
}

.post-card { animation: cardReveal 0.35s cubic-bezier(0.16, 1, 0.3, 1) both; }
.post-card:hover {
    border-color: var(--fk-border-ice);
    box-shadow: var(--fk-specular), var(--fk-shadow), var(--fk-shadow-glow);
}

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

.fk-sidebar-sticky { position: sticky; top: 82px; }

.avatar-circle {
    border-radius: 50%;
    color: #fff;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    user-select: none;
    border: 1px solid rgba(147, 197, 253, 0.32);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.16);
}

.avatar-lg { width: 54px; height: 54px; font-size: 1.1rem; }
.avatar-md { width: 40px; height: 40px; font-size: 0.85rem; }
.avatar-sm { width: 28px; height: 28px; font-size: 0.68rem; }

.role-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.16rem 0.55rem;
    border-radius: var(--fk-radius-pill);
    font-size: 0.66rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    background: rgba(147, 197, 253, 0.1);
    color: var(--fk-ice-bright);
    border: 1px solid rgba(147, 197, 253, 0.24);
}

.role-badge-sm { font-size: 0.6rem; padding: 0.1rem 0.42rem; }
.role-badge-user { background: var(--fk-surface-2); color: var(--fk-text-soft); border-color: var(--fk-border); }

.fk-filter-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.62rem 0.9rem;
    border-radius: var(--fk-radius-md);
    border: 1px solid transparent;
    background: transparent;
    color: var(--fk-text-muted);
    font-weight: 500;
    font-size: 0.86rem;
    transition: all 0.2s ease;
    text-align: left;
}

.fk-filter-btn:hover { background: var(--fk-surface-2); color: var(--fk-text); }
.fk-filter-btn.active {
    background: rgba(147, 197, 253, 0.08);
    color: var(--fk-text);
    border-color: var(--fk-border-ice);
}

.filter-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--fk-text-muted); opacity: 0.6; }
.fk-filter-btn.active .filter-dot { background: #fff; box-shadow: 0 0 8px var(--fk-ice-bright); opacity: 1; }

.fk-pill-scroll { display: flex; gap: 0.45rem; overflow-x: auto; padding-bottom: 4px; scrollbar-width: none; }
.fk-pill-scroll::-webkit-scrollbar { display: none; }

.fk-pill-btn {
    white-space: nowrap;
    border: 1px solid var(--fk-border);
    background: var(--fk-surface-2);
    color: var(--fk-text-soft);
    border-radius: var(--fk-radius-pill);
    padding: 0.36rem 0.85rem;
    font-size: 0.8rem;
    font-weight: 500;
}

.fk-pill-btn.active {
    background: rgba(147, 197, 253, 0.14);
    border-color: var(--fk-border-ice);
    color: var(--fk-text);
}

/* Composer */
.composer-collapsed-bar { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; cursor: pointer; }

.composer-placeholder-btn {
    flex: 1;
    text-align: left;
    background: var(--fk-surface-2);
    border: 1px solid var(--fk-border);
    border-radius: var(--fk-radius-pill);
    padding: 0.6rem 1rem;
    color: var(--fk-text-muted);
    font-size: 0.86rem;
    cursor: text;
}

.composer-expanded-body { display: none; animation: cardReveal 0.24s ease both; }
.composer-shell.is-expanded .composer-collapsed-bar { display: none; }
.composer-shell.is-expanded .composer-expanded-body { display: block; }

.form-control, .form-select {
    background-color: var(--fk-surface-2);
    border: 1px solid var(--fk-border);
    color: var(--fk-text);
    border-radius: var(--fk-radius-md);
    font-size: 0.88rem;
}

.form-control:focus, .form-select:focus {
    background-color: var(--fk-surface-solid);
    color: var(--fk-text);
    border-color: var(--fk-border-ice);
    box-shadow: 0 0 0 3px var(--fk-cobalt-dim);
}

.form-control::placeholder { color: var(--fk-text-muted); }
.input-group-text { background-color: var(--fk-surface-2); border-color: var(--fk-border); color: var(--fk-text-muted); }

.composer-textarea {
    border: 1px solid var(--fk-border);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--fk-radius-lg);
    padding: 0.9rem 1rem;
    resize: none;
    overflow-y: hidden;
    min-height: 86px;
}

.emoji-bar { display: flex; flex-wrap: wrap; gap: 0.25rem; }
.emoji-btn { border: 1px solid transparent; background: var(--fk-surface-2); border-radius: 8px; padding: 0.2rem 0.45rem; font-size: 0.92rem; cursor: pointer; }
.emoji-btn:hover { transform: translateY(-1px) scale(1.1); border-color: var(--fk-border-strong); }

.dropzone-area {
    border: 1px dashed var(--fk-border-strong);
    border-radius: var(--fk-radius-md);
    padding: 0.65rem 0.95rem;
    background: rgba(255, 255, 255, 0.015);
    cursor: pointer;
}

.dropzone-area:hover, .dropzone-area.drag-over { border-color: var(--fk-border-ice); background: var(--fk-ice-dim); }

.image-preview-box { position: relative; border-radius: var(--fk-radius-lg); overflow: hidden; border: 1px solid var(--fk-border-strong); max-height: 300px; background: var(--fk-void); }
.image-preview-box img { width: 100%; max-height: 300px; object-fit: cover; display: block; }
.image-preview-remove {
    position: absolute; top: 10px; right: 10px; width: 30px; height: 30px; border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.2); background: rgba(3, 5, 8, 0.78); color: #fff;
    display: inline-flex; align-items: center; justify-content: center; cursor: pointer;
}
.image-preview-remove:hover { background: var(--fk-danger); }

/* Post Card Internals */
.post-card-header { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; }
.author-link { background: none; border: none; padding: 0; font-weight: 600; color: var(--fk-text); font-size: 0.92rem; cursor: pointer; }
.author-link:hover { color: var(--fk-ice-bright); }
.post-timestamp { font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; color: var(--fk-text-muted); }
.post-content { font-size: 0.94rem; line-height: 1.65; word-break: break-word; color: var(--fk-text-soft); }

.hashtag-chip {
    background: var(--fk-ice-dim); color: var(--fk-ice-bright); border: 1px solid rgba(147, 197, 253, 0.2);
    border-radius: 6px; padding: 0.04rem 0.42rem; font-weight: 500; font-size: 0.86em; cursor: pointer;
}
.hashtag-chip:hover { background: var(--fk-ice); color: #030508; }

.post-media-container { position: relative; border-radius: var(--fk-radius-lg); overflow: hidden; border: 1px solid var(--fk-border); background: var(--fk-void); }
.post-image-frame { position: relative; display: block; width: 100%; padding: 0; border: none; background: transparent; cursor: zoom-in; }
.post-image-frame img { width: 100%; max-height: 460px; object-fit: cover; display: block; transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1); }
.post-image-frame:hover img { transform: scale(1.018); }

.post-image-zoom-hint {
    position: absolute; bottom: 12px; right: 12px; width: 32px; height: 32px; border-radius: 50%;
    background: rgba(3, 5, 8, 0.72); border: 1px solid var(--fk-border-strong); color: #fff;
    display: inline-flex; align-items: center; justify-content: center; opacity: 0; transition: opacity 0.2s ease;
}
.post-media-container:hover .post-image-zoom-hint { opacity: 1; }

.dbl-heart-burst {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0);
    font-size: 4.2rem; color: #fff; filter: drop-shadow(0 0 24px rgba(251, 113, 133, 0.85));
    pointer-events: none; opacity: 0; z-index: 4;
}
.dbl-heart-burst.animate { animation: dblHeartPop 0.75s cubic-bezier(0.16, 1, 0.3, 1) forwards; }

@keyframes dblHeartPop {
    0%   { opacity: 0; transform: translate(-50%, -50%) scale(0.3); }
    30%  { opacity: 1; transform: translate(-50%, -50%) scale(1.18); }
    65%  { opacity: 1; transform: translate(-50%, -50%) scale(0.96); }
    100% { opacity: 0; transform: translate(-50%, -50%) scale(1.35); }
}

.fk-card.post-card:hover {
    border-color: rgba(147, 197, 253, 0.22);
    box-shadow: var(--fk-specular), var(--fk-shadow), 0 0 36px rgba(59, 130, 246, 0.08);
}

.composer-tag-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 0.35rem; }
.composer-tag-chip {
    border: 1px solid var(--fk-border);
    background: var(--fk-surface-2);
    color: var(--fk-ice);
    font-size: 0.74rem;
    font-weight: 500;
    padding: 0.16rem 0.56rem;
    border-radius: var(--fk-radius-pill);
    cursor: pointer;
    transition: all 0.16s ease;
}
.composer-tag-chip:hover {
    background: var(--fk-ice-dim);
    border-color: var(--fk-border-ice);
    color: var(--fk-ice-bright);
    transform: translateY(-1px);
}
.composer-tag-chip:active { transform: scale(0.95); }

.fk-kbd-inline {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.66rem;
    padding: 0.08rem 0.38rem;
    border-radius: 5px;
    border: 1px solid var(--fk-border-strong);
    background: var(--fk-surface-2);
    color: var(--fk-text-muted);
}

.post-action-bar { display: flex; align-items: center; gap: 0.45rem; }
.action-pill {
    display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.38rem 0.82rem;
    border-radius: var(--fk-radius-pill); border: 1px solid var(--fk-border);
    background: var(--fk-surface-2); color: var(--fk-text-soft); font-size: 0.8rem; font-weight: 500; cursor: pointer;
    transition: all 0.2s ease;
}
.action-pill:hover { background: var(--fk-ice-dim); border-color: var(--fk-border-ice); color: var(--fk-text); transform: translateY(-1px); }
.action-pill:active, .cta-pill-btn:active, .fk-filter-btn:active { transform: scale(0.96); }
.action-pill.is-liked { background: var(--fk-like-dim); border-color: rgba(251, 113, 133, 0.32); color: var(--fk-like); box-shadow: 0 0 18px rgba(251, 113, 133, 0.16); }
.action-pill.is-liked i { animation: heartPop 0.38s cubic-bezier(0.175, 0.885, 0.32, 1.275); }

@keyframes heartPop { 0% { transform: scale(1); } 45% { transform: scale(1.45); } 100% { transform: scale(1); } }

.post-comments-wrap { border-top: 1px solid var(--fk-border); }
.comments-list { display: flex; flex-direction: column; gap: 0.55rem; }
.comments-list.is-collapsed .comment-item.is-extra-comment { display: none; }
.comment-expand-btn { background: none; border: none; padding: 0.2rem 0; font-size: 0.78rem; font-weight: 500; color: var(--fk-ice); cursor: pointer; }
.comment-expand-btn:hover { text-decoration: underline; }

.comment-item { display: flex; align-items: flex-start; gap: 0.55rem; animation: cardReveal 0.22s ease both; }
.comment-bubble { background: var(--fk-surface-2); border: 1px solid var(--fk-border); border-radius: var(--fk-radius-md); padding: 0.48rem 0.78rem; }
.comment-author { font-size: 0.8rem; color: var(--fk-text); }
.comment-text { font-size: 0.84rem; line-height: 1.48; margin-top: 0.1rem; word-break: break-word; color: var(--fk-text-soft); }
.comment-actions { opacity: 0; transition: opacity 0.15s ease; }
.comment-item:hover .comment-actions { opacity: 1; }

.comment-composer { display: flex; align-items: center; gap: 0.55rem; }
.comment-input-group { display: flex; align-items: center; gap: 0.4rem; }
.comment-input { border-radius: var(--fk-radius-pill) !important; padding: 0.4rem 0.9rem; font-size: 0.83rem; }

/* Dropdowns & Modals */
.fk-dropdown { background: var(--fk-surface-solid); border: 1px solid var(--fk-border-strong); border-radius: var(--fk-radius-md); padding: 0.35rem; box-shadow: var(--fk-shadow); }
.fk-dropdown .dropdown-item { border-radius: 8px; padding: 0.45rem 0.72rem; font-size: 0.84rem; color: var(--fk-text-soft); }
.fk-dropdown .dropdown-item:hover { background: var(--fk-surface-3); color: var(--fk-text); }

.modal-content {
    background: rgba(8, 13, 24, 0.94);
    color: var(--fk-text);
    border: 1px solid rgba(147, 197, 253, 0.22);
    border-radius: 24px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 30px 90px rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(26px);
}
[data-theme="light"] .modal-content { background: #ffffff; }
.modal-header, .modal-footer { border-color: var(--fk-border); }
.btn-close { filter: invert(0.8); opacity: 0.6; }
[data-theme="light"] .btn-close { filter: none; }

/* Auth Tabs & Role Choice */
.auth-tab-pills {
    display: grid; grid-template-columns: 1fr 1fr; gap: 0.3rem;
    background: var(--fk-surface-2); padding: 0.28rem;
    border-radius: var(--fk-radius-pill); border: 1px solid var(--fk-border);
}
.auth-tab-btn { border: none; background: transparent; color: var(--fk-text-muted); font-weight: 600; font-size: 0.84rem; padding: 0.5rem; border-radius: var(--fk-radius-pill); transition: all 0.2s ease; }
.auth-tab-btn.active { background: rgba(147, 197, 253, 0.14); color: var(--fk-text); border: 1px solid var(--fk-border-ice); }

.role-choice-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; }
.role-choice-card { cursor: pointer; margin: 0; }
.role-choice-card input { display: none; }
.role-choice-inner { border: 1px solid var(--fk-border); background: var(--fk-surface-2); border-radius: var(--fk-radius-md); padding: 0.62rem 0.7rem; text-align: center; transition: all 0.2s ease; }
.role-choice-card input:checked + .role-choice-inner { border-color: var(--fk-border-ice); background: var(--fk-ice-dim); color: var(--fk-ice-bright); }

.progress { background: var(--fk-surface-3); border-radius: var(--fk-radius-pill); }

/* Stats & Admin */
.mini-stat-box { background: var(--fk-surface-2); border: 1px solid var(--fk-border); border-radius: var(--fk-radius-md); padding: 0.7rem 0.6rem; text-align: center; }
.mini-stat-value { font-family: 'JetBrains Mono', monospace; font-weight: 600; font-size: 1.08rem; color: var(--fk-text); font-variant-numeric: tabular-nums; }
.mini-stat-label { font-size: 0.68rem; color: var(--fk-text-muted); margin-top: 0.15rem; }

.admin-stat-card {
    background: var(--fk-surface); border: 1px solid var(--fk-border); border-radius: var(--fk-radius-lg);
    padding: 1.2rem; display: flex; align-items: center; justify-content: space-between;
    box-shadow: var(--fk-specular), var(--fk-shadow); backdrop-filter: blur(18px);
    position: relative; transition: border-color 0.2s ease, transform 0.2s ease;
}
.admin-stat-card:hover { border-color: var(--fk-border-ice); transform: translateY(-2px); }
.admin-stat-icon { width: 44px; height: 44px; border-radius: 12px; background: var(--fk-ice-dim); border: 1px solid rgba(147, 197, 253, 0.2); color: var(--fk-ice-bright); display: inline-flex; align-items: center; justify-content: center; font-size: 1.15rem; }

.fk-table { color: var(--fk-text); --bs-table-bg: transparent; --bs-table-color: var(--fk-text); --bs-table-border-color: var(--fk-border); --bs-table-hover-bg: var(--fk-surface-2); --bs-table-hover-color: var(--fk-text); }
.fk-table thead th { font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--fk-text-muted); background: var(--fk-surface-2); border-bottom: 1px solid var(--fk-border); padding: 0.85rem 1rem; font-weight: 500; }
.fk-table tbody td { padding: 0.9rem 1rem; vertical-align: middle; border-color: var(--fk-border); }
.admin-thumb-btn { border: 1px solid var(--fk-border-strong); padding: 0; border-radius: var(--fk-radius-md); overflow: hidden; background: transparent; cursor: zoom-in; }
.admin-thumb-btn img { width: 64px; height: 46px; object-fit: cover; display: block; }

/* Scroll Top Pill */
.scroll-top-pill { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px); opacity: 0; pointer-events: none; z-index: 1040; transition: all 0.25s ease; }
.scroll-top-pill.is-visible { opacity: 1; pointer-events: auto; transform: translateX(-50%) translateY(0); }

/* Toast */
.fk-toast-container { position: fixed; bottom: 22px; right: 22px; z-index: 1090; display: flex; flex-direction: column; gap: 0.55rem; max-width: 340px; }
.fk-toast { background: var(--fk-surface-solid); color: var(--fk-text); border: 1px solid var(--fk-border-strong); border-left: 3px solid var(--fk-ice); border-radius: var(--fk-radius-md); padding: 0.75rem 1rem; box-shadow: var(--fk-shadow); display: flex; align-items: center; gap: 0.6rem; font-size: 0.84rem; font-weight: 500; animation: toastSlide 0.28s cubic-bezier(0.16, 1, 0.3, 1) both; }
@keyframes toastSlide { from { opacity: 0; transform: translateX(24px); } to { opacity: 1; transform: translateX(0); } }
.fk-toast.toast-success { border-left-color: var(--fk-success); }
.fk-toast.toast-error   { border-left-color: var(--fk-danger); }
.fk-toast.toast-info    { border-left-color: var(--fk-ice); }

.empty-state-box { text-align: center; padding: 3rem 1.5rem; }
.empty-state-icon { width: 58px; height: 58px; border-radius: 16px; background: var(--fk-ice-dim); border: 1px solid var(--fk-border-ice); color: var(--fk-ice-bright); display: inline-flex; align-items: center; justify-content: center; font-size: 1.45rem; margin-bottom: 1rem; }

.alert { background: var(--fk-surface-2); border: 1px solid var(--fk-border-strong); color: var(--fk-text); }
.alert-danger { border-color: rgba(248, 113, 113, 0.35); color: var(--fk-danger); }
.alert-success { border-color: rgba(52, 211, 153, 0.35); color: var(--fk-success); }
.dropdown-divider, hr { border-color: var(--fk-border); }

@media (hover: none), (max-width: 767.98px) {
    .comment-actions { opacity: 1; }
    .post-image-zoom-hint { opacity: 0.78; }
}

@media (max-width: 767.98px) {
    .lunetra-hero-banner { padding: 1.25rem; border-radius: 18px; }
    .fk-card { padding: 1rem; border-radius: var(--fk-radius-lg); }
    .fk-search-wrap { max-width: 100% !important; }
    .fk-toast-container { left: 14px; right: 14px; bottom: 14px; max-width: none; }
    .admin-stat-card { padding: 0.95rem; }
    .admin-stat-icon { width: 38px; height: 38px; font-size: 1rem; }
    .hud-cross { display: none; }
}