:root {
    --violet: #6d28d9;
    --blue: #2563eb;
    --pink: #ec4899;
    --ink: #0f0c1b;
    --ink-soft: #322d49;
    --text: #ffffff;
    --card: rgba(19, 16, 34, 0.78);
    --card-border: rgba(255, 255, 255, 0.2);
    --ok: #6ee7b7;
    --error: #fb7185;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: var(--text);
    background: radial-gradient(circle at 15% 15%, #3f1d77 0%, #120d23 40%, #070610 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

.app-bg-orb {
    position: fixed;
    border-radius: 999px;
    filter: blur(70px);
    opacity: 0.4;
    pointer-events: none;
}

.app-bg-orb--one {
    width: 380px;
    height: 380px;
    background: var(--pink);
    top: -100px;
    right: 8%;
}

.app-bg-orb--two {
    width: 420px;
    height: 420px;
    background: var(--blue);
    bottom: -140px;
    left: -80px;
}

.app-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: 38px 38px;
    pointer-events: none;
    opacity: 0.2;
}

h1,
h2,
h3 {
    font-family: 'Space Grotesk', sans-serif;
    letter-spacing: -0.02em;
    margin-top: 0;
}

a {
    color: #bfdbfe;
}

.auth-shell {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 20px 40px;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 26px;
}

.auth-hero {
    padding: 22px;
}

.badge {
    display: inline-block;
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 0.85rem;
    background: linear-gradient(135deg, var(--pink), var(--violet));
    margin-bottom: 10px;
}

.auth-hero h1 {
    font-size: clamp(2.2rem, 5vw, 4.6rem);
    margin-bottom: 12px;
}

.auth-hero p {
    font-size: 1.1rem;
    color: #e8ddff;
    max-width: 520px;
}

.auth-hero ul {
    padding-left: 18px;
    color: #ddd6fe;
}

.auth-cards {
    display: grid;
    gap: 16px;
}

.card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 18px;
    backdrop-filter: blur(8px);
}

.card h2 {
    font-size: 1.4rem;
}

.card--wide {
    width: min(560px, 100%);
}

.simple-auth-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.stack-form {
    display: grid;
    gap: 12px;
}

label {
    display: grid;
    gap: 6px;
    font-size: 0.95rem;
    color: #ede9fe;
}

input,
textarea {
    width: 100%;
    padding: 11px 12px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: rgba(13, 10, 28, 0.82);
    color: white;
    outline: none;
    font-family: inherit;
}

input:focus,
textarea:focus {
    border-color: #c4b5fd;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.4);
}

button {
    border: 0;
    border-radius: 12px;
    color: #fff;
    font-weight: 700;
    padding: 12px 14px;
    cursor: pointer;
    background: linear-gradient(135deg, var(--violet), var(--blue));
    transition: transform 160ms ease, opacity 160ms ease;
}

button:hover {
    transform: translateY(-1px);
    opacity: 0.95;
}

.ghost-btn {
    background: rgba(255, 255, 255, 0.12);
}

.feedback {
    min-height: 20px;
    font-size: 0.9rem;
    color: #ddd6fe;
}

.feedback.error {
    color: var(--error);
}

.feedback.ok {
    color: var(--ok);
}

.chat-shell {
    position: relative;
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 16px;
    min-height: 100vh;
    padding: 16px;
}

.chat-sidebar,
.chat-main {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.chat-sidebar {
    padding: 14px;
    display: grid;
    gap: 12px;
    align-content: start;
}

.chat-sidebar__header h1 {
    font-size: 1.5rem;
    margin-bottom: 4px;
}

.chat-sidebar__header p {
    margin-top: 0;
    color: #ddd6fe;
}

.mini-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 8px;
}

.mini-list li {
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 11px;
    background: rgba(12, 9, 25, 0.65);
    cursor: pointer;
    transition: border-color 120ms ease;
}

.mini-list li:hover,
.mini-list li.active {
    border-color: #c4b5fd;
}

.chat-main {
    display: grid;
    grid-template-rows: auto 1fr auto;
    min-height: 0;
}

.chat-main__header {
    padding: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.chat-main__header h2 {
    margin-bottom: 4px;
    font-size: 1.8rem;
}

.chat-main__header p {
    margin: 0;
    color: #ddd6fe;
}

.messages-panel {
    min-height: 0;
    overflow-y: auto;
    padding: 14px;
    display: grid;
    align-content: start;
    gap: 10px;
}

.message {
    max-width: min(78%, 540px);
    padding: 10px 12px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: rgba(15, 11, 30, 0.82);
}

.message--own {
    margin-left: auto;
    background: linear-gradient(135deg, rgba(109, 40, 217, 0.5), rgba(37, 99, 235, 0.44));
}

.message__meta {
    font-size: 0.74rem;
    color: #ddd6fe;
    margin-bottom: 6px;
}

.message__files {
    list-style: none;
    margin: 8px 0 0;
    padding: 0;
    display: grid;
    gap: 5px;
}

.message-form {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding: 14px;
    display: grid;
    gap: 10px;
}

@media (max-width: 980px) {
    .auth-shell {
        grid-template-columns: 1fr;
    }

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