:root {
    --bg-color: #0b0f19;
    --card-bg: rgba(22, 28, 45, 0.6);
    --card-border: rgba(255, 255, 255, 0.08);
    --primary: #00e0ff;
    --primary-glow: rgba(0, 224, 255, 0.4);
    --success: #00ffa3;
    --danger: #ff4d4d;
    --text-main: #f8f9fa;
    --text-muted: #94a3b8;
    --font-ui: 'Inter', sans-serif;
    --font-num: 'Outfit', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-ui);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

.bg-blobs { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; z-index: -1; overflow: hidden; }
.blob { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.5; animation: float 20s infinite ease-in-out alternate; }
.blob-1 { width: 400px; height: 400px; background: rgba(0, 224, 255, 0.15); top: -100px; left: -100px; }
.blob-2 { width: 500px; height: 500px; background: rgba(111, 0, 255, 0.15); bottom: -200px; right: -100px; animation-delay: -5s; }
.blob-3 { width: 300px; height: 300px; background: rgba(0, 255, 163, 0.1); top: 40%; left: 60%; animation-delay: -10s; }

@keyframes float { 0% { transform: translate(0, 0) scale(1); } 100% { transform: translate(30px, -50px) scale(1.1); } }

.container { max-width: 1400px; margin: 0 auto; padding: 2.5rem; display: flex; flex-direction: column; gap: 2.5rem; }
.relative-container { position: relative; }

header { text-align: left; margin-bottom: 2rem; position: relative; z-index: 10; }
header h1 { font-size: 3.5rem; font-weight: 700; letter-spacing: -1px; margin-bottom: 0.5rem; }
header h1 span { color: var(--primary); text-shadow: 0 0 20px var(--primary-glow); }
header p { color: var(--text-muted); font-size: 1.15rem; }

.lang-btn {
    position: absolute;
    top: 2.5rem;
    right: 2.5rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.5rem 1.25rem;
    border-radius: 30px;
    cursor: pointer;
    font-family: var(--font-ui);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    z-index: 100;
    outline: none;
}
.lang-btn:hover { 
    background: rgba(255, 255, 255, 0.2); 
    transform: translateY(-2px); 
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

main { display: grid; grid-template-columns: 380px 1fr; gap: 2.5rem; align-items: start; }

.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

.config-panel h2 { font-size: 1.3rem; margin-bottom: 1.5rem; border-bottom: 1px solid var(--card-border); padding-bottom: 1rem; color: white; }

.form-group { margin-bottom: 1.25rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

label { display: block; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.5rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; }
input, select { 
    width: 100%; padding: 0.85rem 1rem; border-radius: 10px; border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.25); color: white; font-family: var(--font-num); font-size: 1.05rem;
    transition: all 0.3s ease;
}
input:focus, select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 2px var(--primary-glow); background: rgba(0,0,0,0.4); }

.hidden { display: none !important; }

.btn-primary {
    width: 100%; padding: 1.1rem; border-radius: 10px; border: none;
    background: linear-gradient(135deg, var(--primary), #0088ff);
    color: #000; font-weight: 600; font-size: 1.15rem; font-family: var(--font-ui);
    cursor: pointer; position: relative; overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex; justify-content: center; align-items: center; margin-top: 2rem;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 25px var(--primary-glow); }
.btn-primary:active { transform: translateY(0); }

.spinner { width: 22px; height: 22px; border: 3px solid rgba(0,0,0,0.3); border-top-color: #000; border-radius: 50%; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Results Area */
.empty-state { text-align: center; padding: 6rem 0; color: var(--text-muted); }
.empty-icon { font-size: 5rem; margin-bottom: 1.5rem; filter: grayscale(1) opacity(0.5); }
.empty-state h3 { font-size: 1.5rem; color: #fff; margin-bottom: 0.5rem; }

.meta-info { margin-bottom: 2rem; display: flex; flex-wrap: wrap; gap: 1.5rem; justify-content: space-between; align-items: center; padding: 1.5rem 2rem; }
.meta-item { display: flex; flex-direction: column; }
.meta-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 0.35rem; }
.meta-val { font-size: 1.25rem; font-family: var(--font-num); font-weight: 600; color: #fff; line-height: 1.3; }

.results-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.5rem; }

.result-card {
    background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 16px;
    padding: 1.75rem; transition: transform 0.3s ease, border-color 0.3s ease;
    display: flex; flex-direction: column; gap: 1.25rem; position: relative; overflow: hidden;
    cursor: pointer;
}
.result-card:hover { transform: translateY(-5px); border-color: rgba(255,255,255,0.25); box-shadow: 0 10px 40px rgba(0,0,0,0.5); }
.result-card::before {
    content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%;
    background: linear-gradient(to bottom, var(--primary), transparent);
}

.card-header { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid rgba(255,255,255,0.05); padding-bottom: 1rem; }
.grid-title { font-size: 1.5rem; font-family: var(--font-num); font-weight: 700; color: white; }
.roi-badge { padding: 0.4rem 0.8rem; border-radius: 8px; font-weight: 600; font-family: var(--font-num); font-size: 1rem; }
.profit-pos { background: rgba(0, 255, 163, 0.15); color: var(--success); }
.profit-neg { background: rgba(255, 77, 77, 0.15); color: var(--danger); box-shadow: inset 0 0 0 1px rgba(255, 77, 77, 0.3); }

.stat-row { display: flex; justify-content: space-between; align-items: center; }
.stat-label { color: var(--text-muted); font-size: 0.95rem; }
.stat-val { font-family: var(--font-num); font-weight: 500; font-size: 1.05rem;}
.val-big { font-size: 1.6rem; font-weight: 700; }

.pos { color: var(--success); }
.neg { color: var(--danger); }

@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { animation: fadeIn 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards; }

@media (max-width: 1024px) {
    main { grid-template-columns: 1fr; }
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex; justify-content: center; align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}
.modal-overlay.active {
    opacity: 1; pointer-events: auto;
}
.modal-content {
    width: 90%; max-width: 550px;
    max-height: 80vh;
    display: flex; flex-direction: column;
    transform: translateY(20px) scale(0.95);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    padding: 1.5rem 2rem;
}
.modal-overlay.active .modal-content {
    transform: translateY(0) scale(1);
}
.modal-header {
    display: flex; justify-content: space-between; align-items: center;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 1rem; margin-bottom: 1rem;
}
.modal-header h3 { font-size: 1.3rem; font-family: var(--font-num); color: white; font-weight: 600; }
.close-btn { 
    background: transparent; border: none; font-size: 2rem; color: var(--text-muted); 
    cursor: pointer; line-height: 1; transition: color 0.2s;
    outline: none; margin-top: -5px;
}
.close-btn:hover { color: white; }
.modal-body {
    overflow-y: auto;
    padding-right: 0.5rem;
    display: flex; flex-direction: column;
}
.modal-body::-webkit-scrollbar { width: 6px; }
.modal-body::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 10px; }

.history-item {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0.85rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    font-family: var(--font-num);
}
.history-item:last-child { border-bottom: none; }
.history-time { color: var(--text-main); font-size: 1rem; }
.history-profit { color: var(--success); font-weight: 600; font-size: 1.05rem; }
.history-empty { text-align: center; color: var(--text-muted); padding: 3rem 0; font-style: italic; }