:root {
    --bg-color: #020617;
    --main-accent: #0ea5e9;
    --secondary-accent: #10b981;
    --glass-bg: rgba(15, 23, 42, 0.7);
    --glass-border: rgba(30, 41, 59, 0.5);
    --text-main: #f1f5f9;
    --text-dim: #94a3b8;
    --neon-shadow: 0 0 20px rgba(14, 165, 233, 0.5);
}

body.light-theme {
    --bg-color: #f8fafc;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(226, 232, 240, 0.8);
    --text-main: #0f172a;
    --text-dim: #64748b;
    --neon-shadow: 0 0 15px rgba(14, 165, 233, 0.2);
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-color); }
::-webkit-scrollbar-thumb { background: var(--glass-border); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--main-accent); }

body {
    font-family: "LXGW WenKai", sans-serif;
    margin: 0; padding: 0;
    background: var(--bg-color);
    color: var(--text-main);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    min-height: 100vh;
    background-image: 
        linear-gradient(var(--glass-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--glass-border) 1px, transparent 1px);
    background-size: 40px 40px;
    animation: backgroundMove 20s linear infinite;
}

@keyframes backgroundMove {
    0% { background-position: 0 0; }
    100% { background-position: 40px 40px; }
}

.container { max-width: 850px; margin: 4rem auto; padding: 0 1.5rem; position: relative; z-index: 2; }
header { text-align: center; margin-bottom: 5rem; }

h1 { 
    font-size: 3rem; font-weight: 800; margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--main-accent), var(--secondary-accent));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    letter-spacing: -1px; filter: drop-shadow(var(--neon-shadow));
}
.subtitle { font-size: 1.1rem; color: var(--text-dim); letter-spacing: 4px; text-transform: uppercase; }

.info-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 10px 40px -10px rgba(0,0,0,0.3);
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    position: relative; overflow: hidden;
    animation: slideUp 0.8s ease-out forwards;
}
.info-card::before {
    content: ""; position: absolute; top: 0; left: 0; width: 4px; height: 100%;
    background: linear-gradient(to bottom, var(--main-accent), var(--secondary-accent));
    opacity: 0.6;
}

.form-group { margin-bottom: 15px; }
.form-group label { display: block; font-size: 0.8rem; color: var(--text-dim); margin-bottom: 5px; }

.info-card h2 { font-size: 1.6rem; margin-top: 0; color: var(--main-accent); }
.info-card p { font-size: 1.1rem; line-height: 1.9; color: var(--text-main); opacity: 0.9; }

.admin-tools { 
    display: none; justify-content: center; gap: 15px; 
    position: sticky; top: 30px; z-index: 1000;
    background: var(--glass-bg); padding: 10px 20px;
    border-radius: 50px; border: 1px solid var(--main-accent);
    backdrop-filter: blur(20px); width: fit-content; margin: 0 auto 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.admin-nav {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.admin-nav-btn {
    padding: 10px 20px;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    color: var(--text-dim);
    cursor: pointer;
    transition: 0.3s;
    font-weight: 500;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.admin-nav-btn:hover {
    background: rgba(14, 165, 233, 0.1);
    border-color: var(--main-accent);
    color: var(--main-accent);
}

.admin-nav-btn.active {
    background: var(--main-accent);
    color: white;
    border-color: var(--main-accent);
    box-shadow: 0 5px 15px rgba(14, 165, 233, 0.4);
}

.admin-section {
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    z-index: 3000;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    width: 100%;
    max-width: 400px;
    margin: 20px;
    padding: 2rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.btn {
    padding: 10px 24px; border-radius: 30px; border: none; font-weight: bold;
    cursor: pointer; transition: 0.3s; font-family: inherit;
}
.btn:active { transform: scale(0.95); }

.btn-add { background: var(--main-accent); color: white; }
.btn-save { background: var(--secondary-accent); color: white; }

.mgr-input { 
    width: 100%; background: rgba(0,0,0,0.2); border: 1px solid var(--glass-border); 
    color: var(--text-main); padding: 12px; border-radius: 12px; 
    font-family: inherit; box-sizing: border-box; outline: none; transition: 0.3s;
}
.mgr-input:focus { border-color: var(--main-accent); background: rgba(0,0,0,0.3); }

.mode-selector { display: flex; gap: 10px; margin: 15px 0; }
.mode-btn {
    flex: 1; padding: 10px; border-radius: 10px; border: 1px solid var(--glass-border);
    background: rgba(0,0,0,0.1); color: var(--text-dim); cursor: pointer; transition: 0.3s;
}
.mode-btn.active {
    border-color: var(--secondary-accent); color: var(--secondary-accent);
    background: rgba(16, 185, 129, 0.1);
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.3);
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

#aiChatWindow {
    display: none; position: fixed; right: 6rem; bottom: 2rem; width: 380px; height: 550px;
    background: var(--glass-bg); backdrop-filter: blur(25px); border: 1px solid var(--main-accent);
    border-radius: 24px; z-index: 2000; flex-direction: column; overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.ai-header {
    padding: 18px;
    background: rgba(14, 165, 233, 0.15);
    border-bottom: 1px solid var(--glass-border);
    font-weight: bold;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--main-accent);
}

#aiMessages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    scroll-behavior: smooth;
}

#aiMessages::-webkit-scrollbar {
    width: 4px;
}

#aiMessages::-webkit-scrollbar-track {
    background: transparent;
}

#aiMessages::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 10px;
}

#aiMessages::-webkit-scrollbar-thumb:hover {
    background: var(--main-accent);
}

.ai-msg {
    max-width: 85%;
    padding: 12px 16px;
    border-radius: 18px;
    font-size: 0.95rem;
    line-height: 1.5;
    position: relative;
    animation: messageSlide 0.3s ease-out forwards;
}

@keyframes messageSlide {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.msg-user {
    align-self: flex-end;
    background: var(--main-accent);
    color: white;
    border-bottom-right-radius: 4px;
}

.msg-ai {
    align-self: flex-start;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    border-bottom-left-radius: 4px;
}

.ai-input-area {
    padding: 15px;
    background: var(--glass-bg);
    border-top: 1px solid var(--glass-border);
    display: flex;
    gap: 10px;
    align-items: center;
}

#aiInput {
    flex: 1;
    background: rgba(128, 128, 128, 0.1);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 10px 15px;
    color: var(--text-main);
    outline: none;
    transition: 0.3s;
}

#aiInput:focus {
    border-color: var(--main-accent);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 10px rgba(14, 165, 233, 0.2);
}

.orbital-dock {
    position: fixed; right: 2rem; bottom: 2rem; display: flex; flex-direction: column; gap: 12px; z-index: 1000;
    padding: 10px; background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 20px;
}

.orbital-btn {
    width: 48px; height: 48px; border-radius: 14px; border: 1px solid transparent;
    background: rgba(255,255,255,0.05); color: var(--text-main); display: flex; justify-content: center; align-items: center; font-size: 1.2rem; cursor: pointer; transition: 0.3s;
}
.orbital-btn:hover { background: rgba(14, 165, 233, 0.15); color: var(--main-accent); transform: scale(1.1); }