:root {
    --bg-dark: #0a0e14;
    --card-bg: rgba(255, 255, 255, 0.05);
    --accent-green: #00ff88;
    --neon-blue: #00d4ff;
    --text-primary: #ffffff;
    --text-secondary: #b0b8c1;
    --danger: #ff4757;
    --glass-border: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', 'Noto Sans TC', sans-serif;
}

body {
    background: radial-gradient(circle at top right, #1a1f25, var(--bg-dark));
    color: var(--text-primary);
    min-height: 100vh;
    padding-bottom: 90px;
    overflow-x: hidden;
}

.container {
    max-width: 480px;
    margin: 0 auto;
    padding: 24px 16px;
}

/* Header Tech Style */
header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 32px;
}

.logo-area h1 {
    font-size: 2.5rem;
    font-weight: 900;
    letter-spacing: 2px;
    background: linear-gradient(to right, var(--accent-green), var(--neon-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 10px 20px rgba(0, 255, 136, 0.2);
}

.logo-area p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.add-btn {
    background: var(--accent-green);
    color: var(--bg-dark);
    border: none;
    width: 48px;
    height: 48px;
    border-radius: 16px;
    font-size: 1.8rem;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
}

.add-btn:active {
    transform: scale(0.9);
}

/* Glassmorphism Cards */
.lineup-item {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    margin-bottom: 12px;
    padding: 16px;
    display: flex;
    align-items: center;
    position: relative;
    transition: border-color 0.3s, transform 0.2s;
}

.lineup-item:hover {
    border-color: var(--accent-green);
}

.order-badge {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--accent-green);
    margin-right: 20px;
    min-width: 30px;
    text-align: center;
}

.player-info {
    flex: 1;
}

.player-info h3 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.player-info .stats {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.pos-tag {
    background: rgba(0, 212, 255, 0.15);
    color: var(--neon-blue);
    border: 1px solid var(--neon-blue);
    padding: 4px 10px;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 700;
}

/* AI Assistant Float */
.ai-assistant-float {
    position: fixed;
    bottom: 90px;
    right: 20px;
    width: 65px;
    height: 65px;
    z-index: 9999;
}

.ai-avatar {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 3px solid var(--accent-green);
    box-shadow: 0 0 25px rgba(0, 255, 136, 0.5);
    background: #000;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s;
}

.ai-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ai-avatar:hover {
    transform: scale(1.1) rotate(5deg);
}

.ai-label {
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-green);
    color: #000;
    font-size: 0.6rem;
    font-weight: 900;
    padding: 2px 6px;
    border-radius: 10px;
    white-space: nowrap;
}

/* Tab Bar Tech */
.tab-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: rgba(10, 14, 20, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    justify-content: space-around;
    padding: 10px 0 20px;
    border-top: 1px solid var(--glass-border);
}

.tab-item {
    text-decoration: none;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 0.7rem;
    font-weight: 500;
    transition: color 0.3s;
}

.tab-item.active {
    color: var(--accent-green);
}

.tab-item i {
    font-size: 1.5rem;
    margin-bottom: 4px;
}

/* Modal Styling */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(5px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active { display: flex; }

.modal-content {
    background: #1c2229;
    width: 100%;
    max-width: 400px;
    border-radius: 30px;
    padding: 30px;
    border: 1px solid var(--glass-border);
}

.form-group input, .form-group select {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--glass-border);
    color: white;
    padding: 15px;
    border-radius: 15px;
    margin-top: 8px;
}

/* Modal Buttons Pro */
.modal-btns {
    display: flex;
    gap: 16px;
    margin-top: 32px;
}

.modal-btns .btn {
    flex: 1;
    padding: 16px;
    border-radius: 16px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 71, 87, 0.1);
    color: var(--danger);
    border-color: var(--danger);
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--accent-green);
    color: #0a0e14;
    box-shadow: 0 4px 15px rgba(0, 255, 136, 0.3);
}

.btn-primary:hover {
    background: #00ff9d;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 255, 136, 0.5);
}

.btn:active {
    transform: scale(0.98);
}

/* Chat Window Glassmorphism */
.chat-window {
    display: none;
    position: fixed;
    bottom: 180px;
    right: 20px;
    width: 300px;
    height: 400px;
    background: rgba(28, 34, 41, 0.8);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    flex-direction: column;
    z-index: 1500;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
    overflow: hidden;
}

.chat-window.active {
    display: flex;
}

.chat-header {
    padding: 15px;
    background: rgba(0, 255, 136, 0.1);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-header span {
    font-weight: 800;
    color: var(--accent-green);
    font-size: 0.9rem;
}

#closeChat {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.message {
    padding: 8px 12px;
    border-radius: 12px;
    font-size: 0.85rem;
    max-width: 85%;
    line-height: 1.4;
}

.message.ai {
    background: rgba(255,255,255,0.05);
    align-self: flex-start;
    border-bottom-left-radius: 2px;
}

.message.user {
    background: var(--accent-green);
    color: #000;
    align-self: flex-end;
    border-bottom-right-radius: 2px;
}

.chat-input-area {
    padding: 10px;
    border-top: 1px solid var(--glass-border);
    display: flex;
    gap: 8px;
}

#chatInput {
    flex: 1;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 8px 12px;
    color: white;
    font-size: 0.85rem;
}

#sendMessage {
    background: var(--accent-green);
    border: none;
    border-radius: 10px;
    padding: 0 15px;
    color: #000;
    font-weight: bold;
    cursor: pointer;
}