:root {
    --bg-deep: #07111f;
    --bg-mid: #0e2237;
    --panel: rgba(255, 255, 255, 0.08);
    --panel-border: rgba(255, 255, 255, 0.16);
    --text-main: #f8fafc;
    --text-sub: #bfdbfe;
    --accent: #fb923c;
    --accent-strong: #f97316;
    --love: #fb7185;
    --ok: #34d399;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Trebuchet MS", "Segoe UI", sans-serif;
    color: var(--text-main);
    background:
        radial-gradient(circle at 20% 10%, #1d4ed8 0%, transparent 35%),
        radial-gradient(circle at 85% 30%, #ea580c 0%, transparent 28%),
        linear-gradient(160deg, var(--bg-deep), var(--bg-mid));
    position: relative;
    overflow-x: hidden;
}

.bg-grid {
    position: fixed;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
    z-index: 0;
}

.topbar,
.layout {
    position: relative;
    z-index: 1;
}

.topbar {
    padding: 28px 16px 14px;
    text-align: center;
    animation: rise 0.6s ease;
}

.topbar h1 {
    margin: 0;
    font-size: clamp(1.8rem, 4vw, 2.7rem);
    letter-spacing: 1px;
    text-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

.topbar p {
    margin: 8px auto 0;
    color: var(--text-sub);
}

.back-link {
    display: inline-block;
    margin-bottom: 14px;
    padding: 8px 14px;
    border-radius: 999px;
    text-decoration: none;
    color: #fff;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.28);
}

.layout {
    width: min(1200px, 94vw);
    margin: 0 auto 28px;
    display: grid;
    grid-template-columns: 1fr 1.2fr 1fr;
    gap: 16px;
}

.panel {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: 16px;
    backdrop-filter: blur(8px);
    padding: 16px;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
    animation: rise 0.7s ease;
}

.panel h2 {
    margin-top: 0;
}

label {
    display: block;
    margin: 10px 0 6px;
    font-weight: 700;
    color: var(--text-sub);
}

.small-note {
    margin-top: -4px;
    color: #cbd5e1;
    font-size: 0.92rem;
}

select {
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.22);
    background: rgba(2, 6, 23, 0.62);
    color: var(--text-main);
    border-radius: 10px;
    padding: 10px 12px;
}

input,
textarea,
button {
    font: inherit;
}

input,
textarea {
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.22);
    background: rgba(2, 6, 23, 0.62);
    color: var(--text-main);
    border-radius: 10px;
    padding: 10px 12px;
}

textarea {
    resize: vertical;
    min-height: 86px;
}

button {
    margin-top: 12px;
    border: 0;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #fff;
    font-weight: 700;
    padding: 10px 14px;
    cursor: pointer;
}

button:hover {
    filter: brightness(1.08);
}

.form-hint {
    min-height: 18px;
    margin: 8px 0 0;
    color: var(--ok);
    font-size: 0.9rem;
}

.panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 10px;
}

.meme-feed,
.chat-list {
    max-height: 64vh;
    overflow-y: auto;
    display: grid;
    gap: 10px;
    padding-right: 4px;
}

.meme-card {
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: rgba(15, 23, 42, 0.82);
    border-radius: 12px;
    padding: 10px;
}

.type-tag {
    display: inline-block;
    margin-bottom: 8px;
    padding: 4px 8px;
    border-radius: 999px;
    background: rgba(251, 146, 60, 0.18);
    color: #fdba74;
    font-size: 0.78rem;
    font-weight: 700;
}

.meme-title {
    margin: 0 0 8px;
    font-size: 1.1rem;
}

.meme-content,
.meme-qna-line {
    margin: 0 0 8px;
    color: #e2e8f0;
    line-height: 1.45;
}

.meme-actions {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.meme-meta {
    margin-top: 8px;
    display: flex;
    justify-content: space-between;
    color: var(--text-sub);
    font-size: 0.86rem;
}

.meme-caption {
    margin: 10px 0 6px;
    font-weight: 700;
}

.meme-note {
    margin: 0;
    color: #dbeafe;
}

.love-button {
    margin-top: 10px;
    background: rgba(251, 113, 133, 0.2);
    border: 1px solid rgba(251, 113, 133, 0.5);
    color: #ffe4e6;
    width: 100%;
}

.love-button.active {
    background: rgba(251, 113, 133, 0.4);
    border-color: rgba(251, 113, 133, 0.9);
}

.meme-thread {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.thread-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--text-sub);
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.thread-list {
    display: grid;
    gap: 8px;
    max-height: 220px;
    overflow-y: auto;
}

.thread-form {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px;
    margin-top: 10px;
}

.thread-form input {
    margin: 0;
}

.thread-empty {
    padding: 10px;
    font-size: 0.88rem;
}

.chat-item {
    border-radius: 10px;
    padding: 9px 10px;
    background: rgba(2, 6, 23, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.thread-item {
    background: rgba(2, 6, 23, 0.72);
}

.hidden {
    display: none;
}

.chat-user {
    color: #fcd34d;
    font-weight: 700;
    margin-right: 8px;
}

#chat-form {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px;
    margin-top: 12px;
}

.empty {
    text-align: center;
    color: var(--text-sub);
    padding: 14px;
    border: 1px dashed rgba(255, 255, 255, 0.2);
    border-radius: 10px;
}

@keyframes rise {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 1020px) {
    .layout {
        grid-template-columns: 1fr;
    }

    .meme-feed,
    .chat-list {
        max-height: 50vh;
    }

    .thread-form,
    #chat-form {
        grid-template-columns: 1fr;
    }
}