:root {
    --verde-escuro: #006B2A;
    --verde: #009C3B;
    --amarelo-binance: #F0B90B;
    --amarelo-claro: #FFDF00;
    --azul: #002776;
    --branco: #FFFFFF;
    --texto: #FFFFFF;
    --texto-sec: rgba(255, 255, 255, 0.65);
    --card: rgba(0, 0, 0, 0.22);
    --card-hover: rgba(0, 0, 0, 0.35);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(180deg, var(--verde-escuro) 0%, var(--verde) 100%);
    background-attachment: fixed;
    color: var(--texto);
    min-height: 100vh;
    padding: 16px;
    padding-bottom: 40px;
}

.page { display: none; }
.page.active { display: block; }

.card {
    background: var(--card);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 16px;
}
.card-saldo { border-left: 4px solid var(--amarelo-binance); }

.label {
    font-size: 13px;
    color: var(--texto-sec);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.saldo-valor { font-size: 36px; font-weight: 700; color: var(--amarelo-binance); }
.convidados-valor { font-size: 28px; font-weight: 700; color: var(--branco); }

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(0, 0, 0, 0.35);
    border-radius: 4px;
    margin-top: 12px;
    overflow: hidden;
}
.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--amarelo-claro), var(--amarelo-binance));
    border-radius: 4px;
    width: 0%;
    transition: width 0.4s ease;
}

.task {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background: var(--card);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: background 0.2s;
}
.task:active { background: var(--card-hover); }
.task-titulo { font-size: 15px; font-weight: 600; }
.task-desc { font-size: 12px; color: var(--texto-sec); margin-top: 4px; }
.task-destaque { border-left: 4px solid var(--amarelo-binance); }

.spin-card {
    background: var(--card);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 12px;
    border-left: 4px solid var(--texto-sec);
}
.spin-card.unlocked { border-left-color: var(--amarelo-binance); }
.spin-card.used { border-left-color: var(--verde); opacity: 0.7; }

.spin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}
.spin-nome { font-size: 16px; font-weight: 700; }
.spin-status {
    font-size: 11px;
    padding: 4px 8px;
    border-radius: 6px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.status-locked { background: rgba(0,0,0,0.4); color: var(--texto-sec); }
.status-available { background: var(--amarelo-binance); color: #1A1A1A; }
.status-used { background: rgba(0,156,59,0.4); color: #B0FFB0; }

.spin-info {
    font-size: 13px;
    color: var(--texto-sec);
    margin-bottom: 12px;
}

.spin-btn {
    display: block;
    width: 100%;
    padding: 12px;
    border-radius: 10px;
    border: none;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: opacity 0.2s;
}
.spin-btn:active { opacity: 0.8; }
.spin-btn.girar { background: var(--amarelo-binance); color: #1A1A1A; }
.spin-btn.disabled {
    background: rgba(0,0,0,0.35);
    color: rgba(255,255,255,0.4);
    cursor: not-allowed;
}

.btn {
    display: block;
    width: 100%;
    padding: 16px;
    border-radius: 12px;
    border: none;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    margin-bottom: 10px;
    transition: opacity 0.2s;
}
.btn:active { opacity: 0.8; }
.btn-amarelo { background: var(--amarelo-binance); color: #1A1A1A; }
.btn-secundario {
    background: rgba(0, 0, 0, 0.25);
    color: var(--branco);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-back {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px;
    background: var(--amarelo-binance);
    color: #1A1A1A;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    margin-bottom: 20px;
}
.btn-back:active { opacity: 0.8; }
.btn-back .arrow { font-size: 20px; }

.link-box {
    background: rgba(0, 0, 0, 0.35);
    border-radius: 12px;
    padding: 14px;
    margin: 12px 0;
    word-break: break-all;
    font-size: 13px;
    color: var(--amarelo-claro);
    line-height: 1.5;
    transition: background 0.2s;
}
.link-box:active { background: rgba(0, 0, 0, 0.5); }

.page-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--branco);
}

.info-text {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.9);
}
.info-text strong { color: var(--amarelo-claro); }

/* ========== 转盘弹窗 ========== */
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    padding: 20px;
}
.modal.active { display: flex; }

.modal-content {
    background: linear-gradient(180deg, var(--verde-escuro), var(--verde));
    border-radius: 20px;
    padding: 24px 20px 20px;
    max-width: 360px;
    width: 100%;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

.modal-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
}

.wheel-area {
    position: relative;
    width: min(260px, 72vw);
    aspect-ratio: 1 / 1;
    margin: 16px auto;
}

.wheel-pointer {
    position: absolute;
    top: -12px;
    left: 50%;
    margin-left: -12px;
    width: 0; height: 0;
    border-left: 12px solid transparent;
    border-right: 12px solid transparent;
    border-top: 22px solid var(--amarelo-binance);
    z-index: 10;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
}

.wheel {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    position: relative;
    transform: rotate(0deg);
    transition: transform 4s cubic-bezier(0.17, 0.67, 0.12, 0.99);
    will-change: transform;
    box-shadow:
        0 0 0 6px var(--amarelo-binance),
        0 0 0 10px var(--verde-escuro),
        0 8px 24px rgba(0,0,0,0.5);
    overflow: hidden;
}

.wheel-center {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 54px;
    height: 54px;
    margin: -27px 0 0 -27px;
    border-radius: 50%;
    background: linear-gradient(180deg, var(--amarelo-binance), #D4A017);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
    z-index: 5;
    pointer-events: none;
}

.wheel-label {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 22px;
    margin: -11px 0 0 -20px;
    text-align: center;
    line-height: 22px;
    font-weight: 900;
    font-size: 14px;
    color: #FFFFFF;
    text-shadow: 0 1px 2px rgba(0,0,0,0.6);
    pointer-events: none;
}

.modal-prize {
    font-size: 40px;
    font-weight: 900;
    color: var(--amarelo-binance);
    margin: 8px 0;
    text-shadow: 0 2px 8px rgba(240,185,11,0.4);
}
.modal-msg {
    font-size: 14px;
    color: var(--texto-sec);
    margin-bottom: 16px;
}