* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

:root {
    --deep-rose: #C4707A;
    --warm-cream: #FFF8F0;
    --soft-peach: #FFE5D9;
    --primary-text: #2C2C2E;
    --secondary-text: #6B6B6B;
    --card-shadow: 0 8px 32px rgba(196, 112, 122, 0.15);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--warm-cream);
    color: var(--primary-text);
    min-height: 100dvh;
    overflow-x: hidden;
}

/* SEO Content Section */
.seo-content {
    padding: 40px 24px 60px;
    max-width: 640px;
    margin: 0 auto;
    color: var(--secondary-text);
    font-size: 14px;
    line-height: 1.7;
}

.seo-content h2 {
    font-size: 22px;
    font-weight: 600;
    color: var(--primary-text);
    margin-bottom: 12px;
}

.seo-content h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--primary-text);
    margin-top: 28px;
    margin-bottom: 8px;
}

.seo-content ul, .seo-content ol {
    padding-left: 20px;
    margin-bottom: 12px;
}

.seo-content li {
    margin-bottom: 6px;
}

.seo-content strong {
    color: var(--primary-text);
}

.screen {
    display: none;
    flex-direction: column;
    min-height: 100dvh;
    padding: 20px;
    padding-top: env(safe-area-inset-top, 20px);
    padding-bottom: env(safe-area-inset-bottom, 20px);
}

.screen.active {
    display: flex;
}

/* Mode Selection Screen */
.logo-header {
    text-align: center;
    padding: 32px 0 24px;
}

.logo {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    margin-bottom: 12px;
}

.logo-header h1 {
    font-size: 28px;
    font-weight: 600;
    color: var(--primary-text);
    margin-bottom: 6px;
}

.subtitle {
    font-size: 14px;
    color: var(--secondary-text);
}

.modes-grid {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    padding: 8px 0;
    align-content: start;
}

.mode-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 12px;
    background: white;
    border: none;
    border-radius: 16px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.mode-card:active {
    transform: scale(0.96);
}

.mode-icon {
    font-size: 32px;
    margin-bottom: 8px;
}

.mode-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--primary-text);
    margin-bottom: 4px;
}

.mode-desc {
    font-size: 11px;
    color: var(--secondary-text);
    text-align: center;
    line-height: 1.3;
}

.powered-by {
    text-align: center;
    padding: 16px 0;
    font-size: 12px;
    color: var(--secondary-text);
}

.powered-by a {
    color: var(--deep-rose);
    text-decoration: none;
    font-weight: 500;
}

/* Game Screen */
.game-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0 16px;
}

.icon-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: white;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--secondary-text);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.game-mode-label {
    font-size: 15px;
    font-weight: 500;
    color: var(--secondary-text);
}

.card-counter {
    font-size: 13px;
    color: var(--secondary-text);
    min-width: 40px;
    text-align: right;
}

.card-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0 0 20px;
}

.card {
    width: 100%;
    max-width: 360px;
    min-height: 320px;
    background: white;
    border-radius: 24px;
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: var(--card-shadow);
    cursor: pointer;
    transition: transform 0.15s;
    user-select: none;
    position: relative;
}

.card:active {
    transform: scale(0.97);
}

.card.flip-out {
    animation: flipOut 0.25s ease-in forwards;
}

.card.flip-in {
    animation: flipIn 0.25s ease-out forwards;
}

@keyframes flipOut {
    0% { transform: rotateY(0) scale(1); opacity: 1; }
    100% { transform: rotateY(90deg) scale(0.95); opacity: 0; }
}

@keyframes flipIn {
    0% { transform: rotateY(-90deg) scale(0.95); opacity: 0; }
    100% { transform: rotateY(0) scale(1); opacity: 1; }
}

.card-category {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--deep-rose);
    margin-bottom: 24px;
    opacity: 0.8;
}

.card-question {
    font-size: 20px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--primary-text);
}

.card-hint {
    font-size: 12px;
    color: var(--secondary-text);
    opacity: 0.6;
    margin-top: 20px;
}

.game-footer {
    display: flex;
    justify-content: center;
    padding: 12px 0;
}

/* Buttons */
.primary-btn {
    width: 100%;
    max-width: 320px;
    padding: 16px;
    background: var(--deep-rose);
    color: white;
    border: none;
    border-radius: 14px;
    font-size: 16px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: transform 0.15s;
}

.primary-btn:active {
    transform: scale(0.97);
}

.secondary-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.7);
    color: var(--deep-rose);
    border: none;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: transform 0.15s;
}

.secondary-btn:active {
    transform: scale(0.96);
}

/* End Screen */
.end-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 16px;
    padding: 40px 20px;
}

.end-icon {
    font-size: 56px;
    margin-bottom: 8px;
}

.end-content h2 {
    font-size: 24px;
    font-weight: 600;
}

.end-content > p {
    font-size: 14px;
    color: var(--secondary-text);
    margin-bottom: 12px;
}

.download-cta {
    margin-top: 32px;
    padding: 24px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    width: 100%;
    max-width: 320px;
}

.download-cta p {
    font-size: 13px;
    color: var(--secondary-text);
    margin-bottom: 16px;
    line-height: 1.4;
}

.store-badges {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.store-badges img {
    height: 40px;
}

.free-tagline {
    font-size: 12px;
    font-weight: 500;
    color: var(--secondary-text);
    margin-top: 12px;
    text-align: center;
    letter-spacing: 0.3px;
}

/* ─── Lobby Components ─── */

.lobby-input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--soft-peach);
    border-radius: 12px;
    font-size: 16px;
    font-family: inherit;
    color: var(--primary-text);
    background: white;
    outline: none;
    transition: border-color 0.2s;
}

.lobby-input:focus {
    border-color: var(--deep-rose);
}

.lobby-input.shake {
    animation: shake 0.4s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-6px); }
    75% { transform: translateX(6px); }
}



.lobby-pulse {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #4ade80;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.lobby-status {
    padding: 12px 0;
}

.lobby-status p {
    font-size: 14px;
    font-weight: 500;
    color: var(--secondary-text);
}

.lobby-players-list {
    flex: 1;
    overflow-y: auto;
}

.lobby-empty {
    text-align: center;
    padding: 48px 20px;
}

.lobby-empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.lobby-empty p {
    font-size: 15px;
    color: var(--primary-text);
    margin-bottom: 8px;
}

.lobby-empty-sub {
    font-size: 13px;
    color: var(--secondary-text);
}

.lobby-player-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    background: white;
    border-radius: 14px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    margin-bottom: 10px;
}

.lobby-player-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.lobby-player-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--soft-peach), var(--deep-rose));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 600;
}

.lobby-player-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--primary-text);
}

.lobby-player-modes {
    display: flex;
    gap: 4px;
    margin-top: 4px;
    flex-wrap: wrap;
}

.lobby-match-chip {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    background: var(--soft-peach);
    font-size: 11px;
    color: var(--primary-text);
}

.lobby-invite-btn {
    padding: 8px 20px;
    background: var(--deep-rose);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: transform 0.15s;
}

.lobby-invite-btn:active {
    transform: scale(0.95);
}

.lobby-footer-note {
    text-align: center;
    padding: 16px 0;
    font-size: 11px;
    color: var(--secondary-text);
    opacity: 0.6;
}

/* Venue inactive */
.venue-inactive {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px 20px;
}

.venue-inactive h2 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
}

.venue-inactive p {
    font-size: 14px;
    color: var(--secondary-text);
    line-height: 1.5;
}

/* ─── Stranger Banner & Panel ─── */
.stranger-banner {
    margin: 0 0 12px;
}

.stranger-banner-inner {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: white;
    border-radius: 14px;
    box-shadow: 0 2px 12px rgba(196, 112, 122, 0.12);
    cursor: pointer;
    transition: transform 0.15s;
}

.stranger-banner-inner:active {
    transform: scale(0.97);
}

.stranger-banner-icon {
    font-size: 28px;
    flex-shrink: 0;
}

.stranger-banner-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.stranger-banner-text strong {
    font-size: 14px;
    color: var(--primary-text);
}

.stranger-banner-text span {
    font-size: 12px;
    color: var(--secondary-text);
}

.stranger-banner-arrow {
    font-size: 22px;
    color: var(--secondary-text);
    flex-shrink: 0;
}

/* Stranger panel (overlays the mode grid) */
.stranger-panel {
    display: none;
    flex-direction: column;
    background: var(--warm-cream);
    border-radius: 20px 20px 0 0;
    padding: 0 20px 20px;
    margin: 0 -20px;
    flex: 1;
}

.stranger-panel[style*="display: flex"],
.stranger-panel[style*="display:flex"] {
    display: flex !important;
}

.stranger-panel-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0 16px;
}

.stranger-panel-title {
    flex: 1;
    font-size: 17px;
    font-weight: 600;
    color: var(--primary-text);
}

/* Join form inside panel */
.stranger-join-form {
    text-align: center;
    padding: 20px 0;
}

.stranger-join-desc {
    font-size: 14px;
    color: var(--secondary-text);
    margin-bottom: 16px;
}

/* Photo upload */
.lobby-photo-upload {
    margin-top: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.lobby-photo-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: white;
    border: 2px dashed var(--soft-peach);
    border-radius: 12px;
    font-size: 14px;
    font-family: inherit;
    color: var(--secondary-text);
    cursor: pointer;
    transition: border-color 0.2s;
    flex: 1;
}

.lobby-photo-btn:active {
    border-color: var(--deep-rose);
}

.lobby-photo-preview {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--soft-peach);
    flex-shrink: 0;
}

/* Player photo in lobby card */
.lobby-player-photo {
    object-fit: cover;
}

.lobby-player-wearing {
    font-size: 12px;
    color: var(--secondary-text);
    margin-top: 2px;
}

/* Lobby view inside panel */
.stranger-lobby-view {
    flex: 1;
    display: flex;
    flex-direction: column;
}