/**
 * ShotWars Game Pages — Fase 4
 * Join page + shared game UI tokens
 * Uses tokens from tokens.css (--void, --accent, --correct, etc.)
 */

/* ── JOIN PAGE ── */

.join-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--void);
    color: var(--t-main);
    font-family: var(--font-outfit);
    overflow: hidden;
}

/* Background orbs */
.join-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.join-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
}

.join-orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99,102,241,.28) 0%, transparent 70%);
    top: -150px;
    left: 50%;
    transform: translateX(-50%);
    animation: join-drift 20s ease-in-out infinite;
}

.join-orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(139,92,246,.2) 0%, transparent 70%);
    bottom: -80px;
    right: 5%;
    animation: join-drift 26s ease-in-out infinite;
    animation-delay: -8s;
}

.join-orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(34,211,238,.15) 0%, transparent 70%);
    bottom: -60px;
    left: 5%;
    animation: join-drift 22s ease-in-out infinite;
    animation-delay: -4s;
}

@keyframes join-drift {
    0%, 100% { transform: translateX(-50%) translate(0, 0); }
    50%       { transform: translateX(-50%) translate(20px, -24px); }
}
.join-orb-2, .join-orb-3 {
    animation-name: join-orb-float;
}
@keyframes join-orb-float {
    0%, 100% { transform: translate(0, 0); }
    50%       { transform: translate(16px, -20px); }
}

/* Top bar */
.join-topbar {
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    position: relative;
    z-index: 10;
    flex-shrink: 0;
}

.join-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-weight: 800;
    font-size: 17px;
    color: var(--t-bright);
    letter-spacing: -.4px;
}

.join-logo-mark {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--violet) 100%);
    border-radius: 7px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.join-logo-sw { color: var(--accent-l); }

.join-topbar-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.join-topbar-link {
    padding: 6px 12px;
    border-radius: 7px;
    font-size: 13px;
    font-weight: 500;
    color: var(--t-dim);
    text-decoration: none;
    transition: 150ms ease;
}

.join-topbar-link:hover {
    color: var(--t-main);
    background: rgba(255,255,255,.05);
}

.join-topbar-link.accent { color: var(--accent-l); }

/* Center layout */
.join-center {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    z-index: 1;
}

.join-wrapper {
    width: 100%;
    max-width: 420px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    text-align: center;
}

/* Game preview card */
.join-game-preview {
    background: rgba(26,26,44,.9);
    border: 1px solid var(--border-accent);
    border-radius: 16px;
    padding: 18px 22px;
    margin-bottom: 20px;
    width: 100%;
    display: none;
    align-items: center;
    gap: 14px;
    text-align: left;
    animation: preview-slide-in 200ms cubic-bezier(.16,1,.3,1);
}

.join-game-preview.visible {
    display: flex;
}

@keyframes preview-slide-in {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.preview-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--accent-soft);
    border: 1px solid var(--border-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.preview-info { flex: 1; min-width: 0; }

.preview-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--t-bright);
    margin-bottom: 3px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.preview-meta {
    font-size: 12px;
    color: var(--t-dim);
    display: flex;
    align-items: center;
    gap: 8px;
}

.preview-live-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--correct);
    animation: live-blink 1.5s ease infinite;
    flex-shrink: 0;
}

@keyframes live-blink {
    0%, 100% { opacity: 1; }
    50%       { opacity: .3; }
}

/* Main join card */
.join-card {
    background: rgba(26,26,44,.95);
    border: 1px solid var(--border-accent);
    border-radius: 20px;
    padding: 32px 32px 28px;
    width: 100%;
    box-shadow: 0 16px 56px rgba(0,0,0,.6), 0 0 0 1px var(--accent-xs);
    position: relative;
}

.join-card-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--t-ghost);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: 20px;
}

/* Code slots */
.code-slots {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-bottom: 6px;
}

.code-slot {
    width: 36px;
    height: 4px;
    border-radius: 2px;
    background: var(--border-m);
    transition: background 150ms ease;
}

.code-slot.filled  { background: var(--accent-l); }
.code-slot.valid   { background: var(--correct); }

/* Code input */
.code-input-wrap { position: relative; margin-bottom: 16px; }

.code-input {
    width: 100%;
    padding: 18px 14px;
    background: rgba(255,255,255,.04);
    border: 1px solid var(--border-m);
    border-radius: 14px;
    color: var(--t-bright);
    font-family: var(--font-mono);
    font-size: 32px;
    font-weight: 700;
    letter-spacing: 12px;
    text-align: center;
    text-transform: uppercase;
    outline: none;
    transition: 150ms ease;
}

.code-input::placeholder {
    color: var(--t-ghost);
    letter-spacing: 6px;
    font-size: 24px;
}

.code-input:focus {
    border-color: var(--accent);
    background: rgba(255,255,255,.06);
    box-shadow: 0 0 0 4px rgba(99,102,241,.12);
}

.code-input.valid {
    border-color: var(--correct);
    box-shadow: 0 0 0 3px rgba(6,214,160,.1);
}

.code-input.error {
    border-color: var(--wrong);
    box-shadow: 0 0 0 3px rgba(239,68,68,.1);
}

/* Name input */
.name-input-wrap {
    position: relative;
    margin-bottom: 18px;
}

.name-input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--t-ghost);
    pointer-events: none;
}

.name-input {
    width: 100%;
    padding: 12px 14px 12px 40px;
    background: rgba(255,255,255,.04);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--t-bright);
    font-family: var(--font-outfit);
    font-size: 15px;
    outline: none;
    transition: 150ms ease;
}

.name-input:focus {
    border-color: var(--accent);
    background: rgba(255,255,255,.06);
    box-shadow: 0 0 0 3px rgba(99,102,241,.12);
}

.name-input::placeholder { color: var(--t-ghost); }

/* Avatar selector */
.avatar-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--t-ghost);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: 10px;
    text-align: left;
}

.avatar-row {
    display: flex;
    gap: 8px;
    margin-bottom: 18px;
    justify-content: center;
    flex-wrap: wrap;
}

.avatar-opt {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 2px solid var(--border);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: 150ms ease;
    background: rgba(255,255,255,.03);
    user-select: none;
}

.avatar-opt:hover {
    border-color: var(--border-m);
    transform: scale(1.1);
}

.avatar-opt.selected {
    border-color: var(--accent);
    background: var(--accent-soft);
    box-shadow: 0 0 12px var(--accent-glow);
}

/* Join button */
.join-btn {
    width: 100%;
    padding: 14px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-family: var(--font-outfit);
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: 150ms ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.join-btn:hover {
    background: var(--accent-d);
    box-shadow: 0 4px 24px var(--accent-glow);
    transform: translateY(-1px);
}

.join-btn:disabled {
    opacity: .4;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Error message */
.join-error {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    background: rgba(239,68,68,.08);
    border: 1px solid rgba(239,68,68,.2);
    border-radius: 8px;
    color: var(--wrong);
    font-size: 13px;
    margin-bottom: 14px;
    animation: shake 250ms ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25%       { transform: translateX(-4px); }
    75%       { transform: translateX(4px); }
}

/* Loading overlay */
.join-loading {
    position: absolute;
    inset: 0;
    background: rgba(9,9,15,.6);
    border-radius: 20px;
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 12px;
    z-index: 10;
}

.join-loading.active { display: flex; }

.join-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid rgba(99,102,241,.2);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 600ms linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.join-loading-text {
    font-size: 14px;
    font-weight: 500;
    color: var(--accent-l);
}

/* Footer */
.join-footer {
    margin-top: 20px;
    font-size: 13px;
    color: var(--t-ghost);
    text-align: center;
}

.join-footer a {
    color: var(--accent-l);
    text-decoration: none;
}

.join-footer a:hover { text-decoration: underline; }

.join-qr-hint {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--t-ghost);
    justify-content: center;
    margin-top: 16px;
}

.join-qr-box {
    width: 28px;
    height: 28px;
    border: 1px solid var(--border-m);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

/* Flash messages */
.join-flash {
    margin-bottom: 14px;
}

.join-flash-msg {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 8px;
}

.join-flash-msg.error {
    background: rgba(239,68,68,.08);
    border: 1px solid rgba(239,68,68,.2);
    color: var(--wrong);
}

.join-flash-msg.success {
    background: rgba(6,214,160,.08);
    border: 1px solid rgba(6,214,160,.2);
    color: var(--correct);
}

/* ── MOBILE ── */
@media (max-width: 480px) {
    .join-topbar { padding: 0 16px; }
    .join-topbar-links .join-topbar-link:first-child { display: none; }
    .join-center { padding: 12px 16px; align-items: flex-start; padding-top: 20px; }
    .join-wrapper { max-width: 100%; }
    .join-card { padding: 22px 18px; border-radius: 16px; }
    .code-input { font-size: 24px; letter-spacing: 8px; padding: 14px 10px; }
    .avatar-row { gap: 6px; }
    .avatar-opt { width: 36px; height: 36px; font-size: 16px; }
    .join-game-preview { padding: 14px 16px; }
    .preview-title { font-size: 14px; }
}

@media (max-width: 360px) {
    .code-input { font-size: 20px; letter-spacing: 5px; }
    .avatar-opt { width: 32px; height: 32px; }
    .join-card { padding: 18px 14px; }
}