/* ==========================================
   AMIGO SECRETO - Tema VISAGE
   Dark, minimal, elegant
   ========================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg: #0A0A0A;
    --bg-card: #141414;
    --bg-card-hover: #1A1A1A;
    --bg-input: #1A1A1A;
    --border: #2A2A2A;
    --border-light: #333;
    --text: #E8E8E8;
    --text-secondary: #8A8A8A;
    --text-muted: #6A6A6A;
    --accent: #A0A0A0;
    --white: #FFFFFF;
    --success: #4ADE80;
    --danger: #F87171;
    --warning: #FBBF24;
    --info: #60A5FA;
    --primary: #A78BFA;
    --radius: 16px;
    --radius-sm: 12px;
    --radius-xs: 8px;
    --shadow: 0 1px 2px rgba(0,0,0,0.3), 0 4px 12px rgba(0,0,0,0.2);
    --transition: all 0.2s ease;
}

html { font-size: 16px; }

body {
    font-family: 'Inter', -apple-system, 'system-ui', sans-serif;
    background: var(--bg);
    min-height: 100vh;
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* === FLOATING DOTS === */
.balloons-container { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.balloon { position: absolute; border-radius: 50%; animation: floatUp linear infinite; opacity: 0; font-size: 0; color: transparent; }
.balloon::after { content: ''; display: block; width: 100%; height: 100%; border-radius: 50%; }
.balloon-1 { left: 8%; width: 3px; height: 3px; animation-duration: 20s; }
.balloon-1::after { background: var(--text-muted); }
.balloon-2 { left: 22%; width: 2px; height: 2px; animation-duration: 25s; animation-delay: 3s; }
.balloon-2::after { background: var(--text-muted); }
.balloon-3 { left: 35%; width: 4px; height: 4px; animation-duration: 18s; animation-delay: 6s; }
.balloon-3::after { background: var(--accent); }
.balloon-4 { left: 50%; width: 2px; height: 2px; animation-duration: 22s; animation-delay: 2s; }
.balloon-4::after { background: var(--text-muted); }
.balloon-5 { left: 65%; width: 3px; height: 3px; animation-duration: 21s; animation-delay: 5s; }
.balloon-5::after { background: var(--text-muted); }
.balloon-6 { left: 78%; width: 2px; height: 2px; animation-duration: 26s; animation-delay: 8s; }
.balloon-6::after { background: var(--accent); }
.balloon-7,.balloon-8,.balloon-9,.balloon-10 { display: none; }

@keyframes floatUp {
    0% { transform: translateY(105vh); opacity: 0; }
    5% { opacity: 0.3; }
    95% { opacity: 0.3; }
    100% { transform: translateY(-5vh); opacity: 0; }
}

/* === CONTAINER === */
.container { max-width: 440px; margin: 0 auto; padding: 16px; position: relative; z-index: 1; }

/* === HEADER === */
.header { text-align: center; padding: 48px 16px 28px; }
.header-sm { padding: 24px 16px 16px; }

.back-link {
    display: inline-flex; align-items: center; gap: 6px;
    color: var(--text-secondary); text-decoration: none; font-weight: 500; font-size: 0.8rem;
    padding: 8px 16px; border-radius: 50px; margin-bottom: 16px;
    border: 1px solid var(--border); transition: var(--transition);
}
.back-link:hover { border-color: var(--accent); color: var(--text); }

.logo-emoji { display: none; }

.icon-logo {
    width: 48px; height: 48px; margin: 0 auto 20px;
    display: flex; align-items: center; justify-content: center;
}
.icon-logo img { width: 48px; height: 48px; opacity: 0.9; }
.icon-logo svg { width: 28px; height: 28px; stroke: var(--text); fill: none; stroke-width: 1.5; }

.title {
    font-size: 1.8rem; font-weight: 300; color: var(--text);
    margin: 0 0 8px; letter-spacing: 2px; text-transform: uppercase;
}
.header-sm .title { font-size: 1.4rem; letter-spacing: 1.5px; }

.subtitle {
    font-size: 0.85rem; color: var(--text-muted); font-weight: 400;
    max-width: 300px; margin: 0 auto; line-height: 1.6;
}

/* === CARDS === */
.card {
    background: var(--bg-card); border-radius: var(--radius); padding: 24px;
    margin-bottom: 12px; border: 1px solid var(--border);
    animation: slideUp 0.4s ease-out; position: relative;
}
.card::before {
    content: ''; position: absolute; top: 0; left: 24px; right: 24px; height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-light), transparent);
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }

.card-icon {
    width: 36px; height: 36px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
    background: var(--bg-input); border: 1px solid var(--border); color: var(--text-secondary);
}
.card-icon .material-symbols-outlined { font-size: 20px; }
.card-icon.purple,.card-icon.pink,.card-icon.amber,.card-icon.green,.card-icon.cyan {
    background: var(--bg-input); border-color: var(--border); color: var(--text-secondary);
}

/* Material Symbols */
.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 300, 'GRAD' 0, 'opsz' 24;
}

.card-header h2 { font-size: 0.95rem; font-weight: 600; color: var(--text); letter-spacing: 0.5px; }

/* === FORMS === */
.form { display: flex; flex-direction: column; gap: 14px; }
.input-group { display: flex; flex-direction: column; gap: 5px; }
.input-group label {
    font-weight: 500; font-size: 0.7rem; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 1px;
}
.input-row { display: flex; gap: 10px; }
.input-row .input-group { flex: 1; }
.flex-2 { flex: 1 !important; }

input[type="text"], input[type="tel"], input[type="url"],
input[type="number"], input[type="date"], input[type="time"],
textarea, select {
    width: 100%; padding: 12px 14px;
    border: 1px solid var(--border); border-radius: var(--radius-xs);
    font-family: 'Inter', sans-serif; font-size: 0.9rem; font-weight: 400;
    color: var(--text); background: var(--bg-input); transition: var(--transition);
    -webkit-appearance: none;
}
input:focus, textarea:focus, select:focus {
    outline: none; border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(160, 160, 160, 0.1);
}
input::placeholder, textarea::placeholder { color: var(--text-muted); }
textarea { resize: vertical; min-height: 72px; }

/* === BUTTONS === */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 20px; border: none; border-radius: var(--radius-xs);
    font-family: 'Inter', sans-serif; font-size: 0.85rem; font-weight: 600;
    cursor: pointer; transition: var(--transition); text-decoration: none;
    letter-spacing: 0.5px; text-transform: uppercase;
}
.btn:active { transform: scale(0.97); }
.btn-lg { padding: 14px 28px; font-size: 0.85rem; border-radius: var(--radius-sm); }
.btn-sm { padding: 8px 14px; font-size: 0.75rem; border-radius: 6px; }

.btn-primary {
    background: var(--text); color: var(--bg); width: 100%;
}
.btn-primary:hover { background: var(--white); }

.btn-secondary {
    background: var(--border-light); color: var(--text); width: 100%;
}

.btn-sortear {
    background: var(--success); color: var(--bg); width: 100%;
    font-size: 0.9rem; letter-spacing: 2px;
}
.btn-sortear:hover { background: #6EE7A0; }
.btn-sortear:disabled { opacity: 0.2; cursor: not-allowed; transform: none !important; }

.btn-whatsapp { background: #25D366; color: var(--white); }
.btn-copy { background: var(--border-light); color: var(--text); white-space: nowrap; }
.btn-remove {
    background: transparent; border: 1px solid var(--danger); color: var(--danger);
    width: 32px; height: 32px; padding: 0; border-radius: 50%; font-size: 0.8rem;
    flex-shrink: 0; display: flex; align-items: center; justify-content: center;
}
.btn-emoji { font-size: 1em; }
.shake { animation: none; }

/* === STEPS === */
.section-title {
    font-size: 0.8rem; font-weight: 600; text-align: center; margin-bottom: 18px;
    color: var(--text-secondary); letter-spacing: 2px; text-transform: uppercase;
}

.steps { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.step {
    text-align: center; padding: 18px 10px; border-radius: var(--radius-sm);
    background: var(--bg-input); border: 1px solid var(--border); position: relative;
}
.step-number {
    position: absolute; top: -6px; left: -6px; width: 20px; height: 20px;
    background: var(--text); color: var(--bg); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 0.6rem;
}
.step-icon { margin-bottom: 6px; display: flex; justify-content: center; }
.step-icon svg { width: 28px; height: 28px; stroke: var(--text-secondary); }
.step p { font-size: 0.72rem; font-weight: 500; color: var(--text-muted); line-height: 1.3; }

/* === INFO === */
.info-grid { display: flex; flex-wrap: wrap; gap: 6px; }
.info-item {
    display: flex; align-items: center; gap: 6px;
    background: var(--bg-input); padding: 8px 12px; border-radius: 8px;
    font-weight: 500; font-size: 0.82rem; border: 1px solid var(--border); color: var(--text-secondary);
}
.info-item.info-msg { width: 100%; background: var(--bg-input); }
.info-icon { font-size: 1rem; flex-shrink: 0; }

/* === SHARE === */
.share-link { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border); }
.share-label { font-weight: 600; font-size: 0.68rem; color: var(--text-muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 1px; }
.link-copy { display: flex; gap: 6px; }
.link-copy input { flex: 1; padding: 8px 10px; font-size: 0.72rem; background: var(--bg); border: 1px solid var(--border); border-radius: 6px; font-family: 'SF Mono', 'Fira Code', monospace; color: var(--text-muted); }

/* === PARTICIPANTES === */
.lista-participantes { display: flex; flex-direction: column; gap: 4px; }
.participante-item {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 14px; background: var(--bg-input); border-radius: var(--radius-xs);
    animation: slideIn 0.25s ease-out; border: 1px solid var(--border);
    border-left: 3px solid var(--text-muted);
}
.participante-item:nth-child(6n+1) { border-left-color: var(--primary); }
.participante-item:nth-child(6n+2) { border-left-color: var(--success); }
.participante-item:nth-child(6n+3) { border-left-color: var(--info); }
.participante-item:nth-child(6n+4) { border-left-color: var(--warning); }
.participante-item:nth-child(6n+5) { border-left-color: var(--danger); }
.participante-item:nth-child(6n+6) { border-left-color: var(--accent); }

@keyframes slideIn { from { opacity:0; transform: translateX(-8px); } to { opacity:1; transform: translateX(0); } }

.p-info { display: flex; flex-direction: column; gap: 1px; }
.p-name { font-weight: 600; font-size: 0.88rem; color: var(--text); }
.p-phone { font-size: 0.72rem; color: var(--text-muted); font-weight: 400; }
.p-badge { background: var(--border-light); color: var(--text-secondary); padding: 3px 10px; border-radius: 50px; font-size: 0.65rem; font-weight: 600; }
.empty-list { text-align: center; color: var(--text-muted); padding: 20px; font-weight: 400; font-size: 0.85rem; }

/* === SORTEAR === */
.sortear-divider { text-align: center; margin: 20px 0 14px; }
.sortear-divider span { font-weight: 600; color: var(--success); font-size: 0.75rem; letter-spacing: 1px; text-transform: uppercase; }
.sortear-hint { text-align: center; font-size: 0.7rem; color: var(--text-muted); margin-top: 6px; }

/* === RESULT === */
.result-success { text-align: center; padding: 16px 0; }
.result-emoji { font-size: 1.8rem; margin-bottom: 8px; }
.result-success h3 { font-size: 1rem; font-weight: 600; color: var(--success); letter-spacing: 1px; text-transform: uppercase; }
.result-list { margin-top: 14px; }
.result-list h4 { font-size: 0.8rem; margin-bottom: 10px; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; }
.result-item { padding: 12px 14px; border-radius: var(--radius-xs); margin-bottom: 6px; border: 1px solid var(--border); background: var(--bg-input); }
.result-ok { border-left: 3px solid var(--success); }
.result-fallback { border-left: 3px solid var(--warning); }
.r-name { font-weight: 600; display: block; margin-bottom: 4px; font-size: 0.88rem; color: var(--text); }
.r-status { font-size: 0.78rem; display: block; margin-bottom: 6px; color: var(--text-muted); }
.r-fallback { display: flex; flex-direction: column; gap: 6px; }

/* === ENVELOPE === */
.card-envelope { padding: 48px 20px; text-align: center; }
.envelope-container { cursor: pointer; display: inline-block; }
.envelope-body { width: 160px; height: 120px; margin: 0 auto 20px; position: relative; perspective: 500px; }
.envelope-front {
    width: 100%; height: 100%;
    background: var(--border-light); border-radius: 0 0 16px 16px;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3); position: relative; z-index: 1;
}
.envelope-flap {
    position: absolute; top: 0; left: 0; width: 100%; height: 60px;
    background: var(--text-muted);
    clip-path: polygon(0 0, 50% 100%, 100% 0);
    transform-origin: top center; transition: transform 0.6s ease-in-out; z-index: 2;
}
.envelope-text { font-size: 0.8rem; font-weight: 600; color: var(--text); letter-spacing: 1px; }
.envelope-icon { font-size: 1.8rem; }
.envelope-hint { font-weight: 500; color: var(--text-muted); font-size: 0.78rem; }
.envelope-open .envelope-flap { transform: rotateX(180deg); }
.envelope-open .envelope-front { animation: envelopeShake 0.5s ease; }
@keyframes envelopeShake { 0%,100%{transform:translateX(0)} 25%{transform:translateX(-5px)} 75%{transform:translateX(5px)} }

/* === REVEAL === */
.card-reveal { text-align: center; padding: 32px 20px; background: var(--bg-card); }
.reveal-header { margin-bottom: 16px; }
.reveal-emoji { font-size: 1.8rem; }
.reveal-header h2 { font-size: 1.2rem; font-weight: 300; color: var(--text); letter-spacing: 1px; }
.reveal-header p { font-size: 0.88rem; color: var(--text-muted); font-weight: 400; }

.reveal-name {
    padding: 28px 20px; background: var(--bg-input); border-radius: var(--radius);
    border: 1px solid var(--border);
    animation: revealPop 0.7s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.reveal-big-emoji { font-size: 2.5rem; display: block; margin-bottom: 8px; }
.amigo-nome {
    font-size: 2rem; font-weight: 300; letter-spacing: 3px; text-transform: uppercase;
    color: var(--white);
}
@keyframes revealPop { 0%{transform:scale(0.5);opacity:0} 100%{transform:scale(1);opacity:1} }

/* === SUGESTOES === */
.sug-hint { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 14px; }
.lista-sugestoes { display: flex; flex-direction: column; gap: 6px; margin-top: 14px; }
.sugestao-item {
    display: flex; align-items: center; justify-content: space-between;
    padding: 10px 14px; background: var(--bg-input); border-radius: var(--radius-xs);
    gap: 8px; border: 1px solid var(--border);
}
.sugestao-item.minha-sug { border-color: var(--border-light); }
.sug-content { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.sug-text { font-weight: 500; font-size: 0.85rem; color: var(--text); }
.sug-link { font-size: 0.72rem; color: var(--info); text-decoration: none; font-weight: 500; }

/* === CARD DONE === */
.card-done { text-align: center; padding: 32px 20px; }
.done-icon { font-size: 2rem; margin-bottom: 8px; }

/* === TOAST === */
.toast {
    position: fixed; bottom: 24px; left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 12px 24px; border-radius: 50px; font-weight: 600; font-size: 0.8rem;
    z-index: 10000; transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    max-width: 90vw; text-align: center;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast-success { background: var(--text); color: var(--bg); }
.toast-error { background: var(--danger); color: var(--white); }

/* === LOADING === */
.loading-overlay {
    position: fixed; inset: 0; background: rgba(10,10,10,0.85);
    display: flex; align-items: center; justify-content: center;
    z-index: 9999; backdrop-filter: blur(8px);
}
.loading-content { text-align: center; color: var(--text); }
.loading-emoji { font-size: 2rem; animation: loadingSpin 1.2s ease-in-out infinite; }
@keyframes loadingSpin { 0%,100%{transform:rotate(0)} 50%{transform:rotate(180deg)} }
.loading-content p { font-size: 0.9rem; font-weight: 500; margin-top: 12px; letter-spacing: 1px; }

.pulse { animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.4} }

#confetti-canvas { position: fixed; inset: 0; pointer-events: none; z-index: 9998; }

/* === FOOTER === */
.footer { text-align: center; padding: 20px 0 32px; color: var(--text-muted); font-weight: 400; font-size: 0.72rem; letter-spacing: 1px; }
.footer-small { font-size: 0.6rem; opacity: 0.5; margin-top: 2px; }

.card-evento-info h3 { font-size: 0.85rem; font-weight: 600; margin-bottom: 10px; color: var(--text-secondary); letter-spacing: 0.5px; text-transform: uppercase; }

.participante-done { border-left-color: var(--success) !important; }

@media (min-width: 600px) {
    .container { max-width: 500px; padding: 20px; }
    .title { font-size: 2.2rem; }
    .card { padding: 28px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}