/* ================================
   WOLF SIGNALS — Dark Trading UI
   ================================ */

:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-card: #151c2c;
    --bg-input: #1a2332;
    --border: #1e2a3a;
    --border-light: #2a3a4f;
    --text-primary: #e8edf5;
    --text-secondary: #8b9bb4;
    --text-muted: #5a6a82;
    --accent: #00d4aa;
    --accent-dim: #00a884;
    --buy: #00c853;
    --buy-bg: rgba(0, 200, 83, 0.12);
    --sell: #ff3d57;
    --sell-bg: rgba(255, 61, 87, 0.12);
    --warning: #ffb300;
    --danger: #ff3d57;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

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

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
    background-image:
        radial-gradient(ellipse at 20% 0%, rgba(0, 212, 170, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, rgba(0, 100, 255, 0.04) 0%, transparent 50%);
}

/* ---- Navbar ---- */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.9rem 2rem;
    background: rgba(17, 24, 39, 0.95);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.nav-brand i {
    color: var(--accent);
    font-size: 1.5rem;
}

.nav-brand strong {
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-badge {
    background: var(--bg-input);
    padding: 0.4rem 0.9rem;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.nav-btn {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.45rem 0.9rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    transition: all 0.2s;
    border: 1px solid transparent;
}

.nav-btn:hover {
    background: var(--bg-input);
    color: var(--text-primary);
}

.nav-btn.danger:hover {
    background: var(--sell-bg);
    color: var(--sell);
    border-color: rgba(255, 61, 87, 0.3);
}

/* ---- Container ---- */
.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 2rem 1.5rem 4rem;
}

.page-header {
    margin-bottom: 2rem;
    text-align: center;
}

.page-header h1 {
    font-size: 1.85rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
}

.page-header h1 i {
    color: var(--accent);
}

.page-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ---- Cards ---- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-header {
    padding: 1.1rem 1.4rem;
    border-bottom: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.2);
}

.card-header h2, .card-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-header i {
    color: var(--accent);
}

.card-body {
    padding: 1.4rem;
}

.mt-4 { margin-top: 1.75rem; }

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .grid-2 { grid-template-columns: 1fr; }
    .navbar { padding: 0.8rem 1rem; flex-wrap: wrap; gap: 0.5rem; }
}

/* ---- Forms ---- */
.form-group {
    margin-bottom: 1.15rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group label i {
    margin-right: 0.3rem;
    color: var(--accent);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.15);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238b9bb4' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 1.25rem;
}

@media (max-width: 600px) {
    .form-row { grid-template-columns: 1fr; }
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.7rem 1.3rem;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-dim));
    color: #0a0e17;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0, 212, 170, 0.35);
}

.btn-secondary {
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.btn-secondary:hover {
    background: var(--border);
}

.btn-danger {
    background: var(--sell-bg);
    color: var(--sell);
    border: 1px solid rgba(255, 61, 87, 0.3);
}

.btn-danger:hover {
    background: rgba(255, 61, 87, 0.25);
}

.btn-sm {
    padding: 0.35rem 0.7rem;
    font-size: 0.8rem;
}

.btn-block {
    width: 100%;
}

.btn-analyze {
    background: linear-gradient(135deg, #00d4aa 0%, #00a0e3 100%);
    color: #0a0e17;
    font-size: 1.05rem;
    padding: 1rem;
    letter-spacing: 0.5px;
    margin-top: 0.5rem;
}

.btn-analyze:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(0, 212, 170, 0.4);
}

.btn-analyze:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ---- Auth Page ---- */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 1.5rem;
}

.auth-container {
    width: 100%;
    max-width: 400px;
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow);
}

.logo {
    text-align: center;
    margin-bottom: 2rem;
}

.logo i {
    font-size: 2.8rem;
    color: var(--accent);
    margin-bottom: 0.6rem;
    display: block;
}

.logo h1 {
    font-size: 1.7rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.logo h1 span {
    color: var(--accent);
}

.tagline {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 0.3rem;
}

.auth-form .btn {
    margin-top: 0.5rem;
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ---- Alerts ---- */
.alert {
    padding: 0.85rem 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.25rem;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.alert-error {
    background: var(--sell-bg);
    border: 1px solid rgba(255, 61, 87, 0.3);
    color: var(--sell);
}

.alert-success {
    background: var(--buy-bg);
    border: 1px solid rgba(0, 200, 83, 0.3);
    color: var(--buy);
}

/* ---- Table ---- */
.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.data-table th {
    text-align: left;
    padding: 0.85rem 1rem;
    background: rgba(0, 0, 0, 0.25);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 0.9rem 1rem;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

.user-name {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.user-name i {
    color: var(--text-muted);
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.65rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-admin {
    background: rgba(0, 212, 170, 0.15);
    color: var(--accent);
}

.badge-user {
    background: rgba(100, 140, 255, 0.15);
    color: #7aa2ff;
}

.text-muted {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ---- Stats ---- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.stat-box {
    text-align: center;
    padding: 1.25rem 0.5rem;
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.2rem;
}

/* ---- Signal Panel ---- */
.signal-panel {
    position: relative;
    margin-bottom: 2rem;
}

.signal-card {
    border: 1px solid var(--border-light);
}

/* ---- Loading Overlay ---- */
.loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 14, 23, 0.92);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 50;
    backdrop-filter: blur(6px);
}

.loading-overlay.hidden {
    display: none;
}

.loader-content {
    text-align: center;
    padding: 2rem;
    width: 100%;
    max-width: 360px;
}

.wolf-loader {
    font-size: 3rem;
    color: var(--accent);
    animation: pulse 1.2s ease-in-out infinite;
    margin-bottom: 1.5rem;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.15); opacity: 0.7; }
}

.progress-bar {
    height: 6px;
    background: var(--bg-input);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 1.2rem;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent), #00a0e3);
    border-radius: 3px;
    transition: width 0.3s ease;
}

.loading-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
}

.calc-steps {
    text-align: left;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.calc-steps .step {
    padding: 0.3rem 0;
    opacity: 0.4;
    transition: opacity 0.3s;
}

.calc-steps .step.active {
    opacity: 1;
    color: var(--accent);
}

.calc-steps .step.done {
    opacity: 0.7;
    color: var(--text-secondary);
}

.calc-steps .step.done::before {
    content: "✓ ";
    color: var(--buy);
}

/* ---- Result Panel ---- */
.result-panel {
    margin-top: 1.5rem;
    animation: fadeIn 0.4s ease;
}

.result-panel.hidden {
    display: none;
}

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

.result-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow);
}

.result-card.buy {
    border-color: rgba(0, 200, 83, 0.4);
    box-shadow: 0 0 40px rgba(0, 200, 83, 0.12);
}

.result-card.sell {
    border-color: rgba(255, 61, 87, 0.4);
    box-shadow: 0 0 40px rgba(255, 61, 87, 0.12);
}

.result-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.result-pair {
    font-weight: 600;
    color: var(--text-primary);
}

.signal-icon {
    font-size: 3.5rem;
    margin-bottom: 0.75rem;
}

.result-card.buy .signal-icon {
    color: var(--buy);
}

.result-card.sell .signal-icon {
    color: var(--sell);
}

.signal-text {
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: 3px;
    margin-bottom: 1.5rem;
}

.result-card.buy .signal-text {
    color: var(--buy);
}

.result-card.sell .signal-text {
    color: var(--sell);
}

.result-meta {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    margin-bottom: 1.75rem;
    flex-wrap: wrap;
}

.meta-item {
    text-align: center;
}

.meta-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.25rem;
}

.meta-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ---- Tips ---- */
.tips-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

@media (max-width: 700px) {
    .tips-grid { grid-template-columns: 1fr; }
}

.tip {
    text-align: center;
    padding: 0.5rem;
}

.tip i {
    font-size: 1.5rem;
    color: var(--accent);
    margin-bottom: 0.6rem;
    display: block;
}

.tip p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.45;
}

/* ---- Footer ---- */
.footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    border-top: 1px solid var(--border);
    margin-top: auto;
}

/* ---- Utility ---- */
.hidden {
    display: none !important;
}