/* =================================================================== */
/* 1. Kök Değişkenler ve Genel Stiller (Variables & Global Styles)      */
/* =================================================================== */

:root {
    --primary-color: #3b82f6; /* Blue 500 */
    --primary-hover: #2563eb; /* Blue 600 */
    --secondary-color: #6b7280; /* Gray 500 */
    --success-color: #10b981; /* Green 500 */
    --danger-color: #ef4444; /* Red 500 */
    --warning-color: #f59e0b; /* Amber 500 */
    --background-color: #f3f4f6; /* Gray 100 */
    --card-background: #ffffff; /* White */
    --text-primary: #111827; /* Gray 900 */
    --text-secondary: #4b5563; /* Gray 700 */
    --border-color: #e5e7eb; /* Gray 200 */
    --font-family: 'Inter', sans-serif;
    --box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.5;
}

/* Base container for content */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* =================================================================== */
/* 2. Yardımcı Sınıflar (Utility Classes)                              */
/* =================================================================== */
.flex { display: flex; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.flex-col { flex-direction: column; }
.gap-6 { gap: 1.5rem; }
.w-full { width: 100%; }
.min-h-screen { min-height: 100vh; }
.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 1rem; }
.text-center { text-align: center; }
.text-xl { font-size: 1.25rem; }
.font-bold { font-weight: 700; }
.text-success { color: var(--success-color); }
.text-danger { color: var(--danger-color); }
.text-muted { color: var(--secondary-color); }
.text-sm { font-size: 0.875rem; }
.flex-1 { flex: 1; } /* For flex-grow: 1 */

/* =================================================================== */
/* 3. Kimlik Doğrulama Sayfası (Auth Container)                        */
/* =================================================================== */

.auth-wrapper {
    background: linear-gradient(135deg, #1e3a8a, #3b82f6); /* Darker blue to primary blue */
}

.auth-card {
    background-color: var(--card-background);
    padding: 2.5rem;
    border-radius: 0.75rem;
    box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    width: 100%;
    max-width: 420px;
}

.auth-card h2 {
    text-align: center;
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.auth-card h2 i {
    color: var(--primary-color);
    margin-right: 0.75rem;
}

.toggle-form-text {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-secondary);
}

.toggle-form-text a {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.toggle-form-text a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

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


/* =================================================================== */
/* 4. Form Elemanları ve Butonlar (Forms & Buttons)                    */
/* =================================================================== */

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: flex;
    align-items: center;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-label i {
    margin-right: 0.5rem;
    width: 16px; /* Ensure icon alignment */
    text-align: center;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: var(--transition);
    background-color: #f9fafb; /* Lighter input background */
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2); /* Focus ring */
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn i {
    margin-right: 0.5rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}
.btn-primary:hover {
    background-color: var(--primary-hover);
}

.btn-success {
    background-color: var(--success-color);
    color: white;
}
.btn-success:hover {
    background-color: #059669; /* Darker green */
}
.btn-success:disabled {
    background-color: #d1fae5; /* Lighter green for disabled */
    cursor: not-allowed;
    opacity: 0.6;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}
.btn-danger:hover {
    background-color: #dc2626; /* Darker red */
}
.btn-danger:disabled {
    background-color: #fee2e2; /* Lighter red for disabled */
    cursor: not-allowed;
    opacity: 0.6;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}
.btn-outline:hover {
    background-color: var(--background-color);
    border-color: var(--secondary-color);
}

.btn-copy {
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--secondary-color);
    padding: 0.5rem;
    font-size: 1rem;
}
.btn-copy:hover {
    color: var(--primary-color);
}


/* =================================================================== */
/* 5. Uygulama Ana Düzeni (App Layout)                                 */
/* =================================================================== */

#app-container {
    display: none; /* Initially hidden, shown by JS */
}

.app-layout {
    display: flex;
    min-height: 100vh;
    background-color: var(--background-color);
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--card-background);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    transition: width 0.3s ease;
    flex-shrink: 0; /* Prevent shrinking on smaller screens */
}

.sidebar-header .logo {
    display: flex;
    align-items: center;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 2.5rem;
}

.sidebar-header .logo i {
    color: var(--primary-color);
    margin-right: 0.75rem;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 0.85rem 1rem;
    border: none;
    background-color: transparent;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    text-align: left;
    transition: var(--transition);
    width: 100%; /* Ensure full width clickable area */
}

.nav-item i {
    margin-right: 1rem;
    width: 20px; /* Consistent icon width */
    text-align: center;
}

.nav-item:hover {
    background-color: var(--background-color);
    color: var(--text-primary);
}

.nav-item.active {
    background-color: #e0e7ff; /* Lighter blue for active state */
    color: var(--primary-color);
    font-weight: 600;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 2.5rem;
    overflow-y: auto; /* Enable scrolling for long content */
}

.main-header {
    margin-bottom: 2.5rem;
    text-align: left; /* Default alignment */
}

.page-title {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    color: var(--text-primary);
}

.page-title i {
    margin-right: 1rem;
    color: var(--primary-color);
}

.page-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.page {
    display: none;
}
.page.active {
    display: block;
    animation: fadeIn 0.5s ease; /* Reuse fadeIn for page transitions */
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); /* Adjusted minmax for better fit */
    gap: 1.5rem;
}


/* =================================================================== */
/* 6. Kart Bileşenleri (Card Components)                               */
/* =================================================================== */

.card {
    background-color: var(--card-background);
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: var(--box-shadow);
    display: flex;
    flex-direction: column;
    gap: 1rem; /* Spacing between card elements */
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start; /* Align items to the start for multiline titles */
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
    margin-bottom: 0.5rem;
    flex-wrap: wrap; /* Allow wrapping on small screens */
    gap: 0.5rem; /* Space between title and status if wrapped */
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    color: var(--text-primary);
}

.card-title i {
    margin-right: 0.75rem;
    color: var(--primary-color);
}

.card-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* =================================================================== */
/* 7. Özel Bileşenler (Custom Components)                              */
/* =================================================================== */

/* Status Indicator & Messages */
.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 0.5rem;
    display: inline-block; /* Ensure it's not a block element */
}
.status-indicator.active { background-color: var(--success-color); }
.status-indicator.inactive { background-color: var(--danger-color); }

.status-message {
    padding: 1rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    background-color: var(--background-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
    word-break: break-word; /* Prevent overflow for long messages */
}

.status-message i { margin-right: 0.75rem; }
.status-message.error { background-color: #fee2e2; color: #b91c1c; } /* Red 100 / Red 800 */
.status-message.success { background-color: #d1fae5; color: #065f46; } /* Green 100 / Green 800 */

/* Pair Display */
.pair-card {
    cursor: pointer; /* Indicate it's clickable */
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.pair-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 10px -1px rgb(0 0 0 / 0.15), 0 4px 6px -2px rgb(0 0 0 / 0.08);
}
.pair-display {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 1rem;
    padding: 1rem 0;
}
.pair-symbol { 
    font-size: 2rem; 
    font-weight: 700; 
    color: var(--text-primary);
}
.pair-price { 
    font-size: 1.5rem; 
    color: var(--success-color); 
    font-weight: 600;
}

/* Leverage Slider */
.leverage-value {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
}
.leverage-slider {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 8px;
    background: var(--border-color);
    border-radius: 5px;
    outline: none;
    cursor: grab; /* Indicate draggable */
    margin-top: 0.5rem;
}
.leverage-slider:active {
    cursor: grabbing;
}
.leverage-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 4px solid white;
    box-shadow: var(--box-shadow);
    transition: background-color 0.2s ease, transform 0.2s ease;
}
.leverage-slider::-webkit-slider-thumb:hover {
    background: var(--primary-hover);
}
.leverage-marks {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* TP/SL Grid */
.tp-sl-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.tp-sl-item .form-label { font-weight: 600; }
.tp-sl-input { text-align: center; font-weight: 700; font-size: 1.25rem; }
.tp-sl-input.tp { border-color: var(--success-color); }
.tp-sl-input.sl { border-color: var(--danger-color); }

/* Analysis Chart */
.analysis-chart {
    height: 150px; /* Fixed height for the chart */
    background-color: #f9fafb;
    border-radius: 0.5rem;
    display: flex;
    align-items: flex-end; /* Bars start from bottom */
    padding: 0.5rem;
    gap: 2px;
    overflow: hidden; /* Ensure bars don't exceed container */
    border: 1px solid var(--border-color);
}
.chart-bar {
    width: 100%; /* Will be overridden by flex-basis in JS if needed */
    background-color: var(--success-color);
    border-radius: 2px;
    transition: height 0.3s ease;
    flex-grow: 1; /* Bars grow to fill space */
}
.chart-bar.down {
    background-color: var(--danger-color);
}

/* Bot Control */
.control-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}
.bot-status, .api-status, .market-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.bot-status .text-sm, .api-status .text-sm {
    min-width: 90px; /* Ensure text doesn't jump */
    text-align: right;
}

/* API Page */
.ip-info { margin-top: 1rem; }
.ip-list {
    background-color: #f9fafb;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1rem;
    max-height: 150px; /* Limit height for scrollability */
    overflow-y: auto;
}
.ip-item {
    font-family: 'Courier New', Courier, monospace;
    padding: 0.5rem 0;
    border-bottom: 1px dashed #e5e7eb; /* Dashed border for visual separation */
    color: var(--text-primary);
}
.ip-item:last-child { border-bottom: none; }
.ip-item.loading {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    font-style: italic;
}
.ip-item.loading i { margin-right: 0.5rem; animation: spin 1s linear infinite; }
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.guide-steps { margin-top: 1rem; }
.guide-step { 
    display: flex; 
    align-items: flex-start; 
    margin-bottom: 1.5rem; 
    gap: 1rem;
}
.step-number {
    width: 32px; height: 32px;
    flex-shrink: 0;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    display: grid;
    place-items: center;
    font-weight: 600;
}
.step-content { flex: 1; }
.step-content h4 { font-weight: 600; margin-bottom: 0.25rem; color: var(--text-primary); }
.step-content p { color: var(--text-secondary); font-size: 0.9rem; }

/* Settings Page */
.profile-info, .account-actions { 
    display: flex; 
    flex-direction: column; 
    gap: 0.75rem; /* Slightly tighter spacing */
}
.profile-item {
    display: flex;
    justify-content: space-between;
    align-items: center; /* Align label and value vertically */
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}
.profile-item:last-child { border-bottom: none; }
.profile-label { display: flex; align-items: center; color: var(--text-secondary); }
.profile-label i { margin-right: 0.75rem; }
.profile-value { font-weight: 500; color: var(--text-primary); }
.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 99px; /* Pill shape */
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}
.status-badge.active { background-color: #d1fae5; color: #065f46; } /* Green 100 / Green 800 */
.status-badge.inactive { background-color: #fee2e2; color: #991b1b; } /* Red 100 / Red 800 */
.status-badge.trial { background-color: #fef3c7; color: #b45309; } /* Amber 100 / Amber 800 */


.payment-details { text-align: center; }
.payment-amount { 
    font-size: 2rem; 
    font-weight: 700; 
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}
.payment-amount .period { font-size: 1rem; color: var(--text-secondary); font-weight: 400; }
.payment-description { margin: 1rem 0; color: var(--text-secondary); line-height: 1.6; }
.payment-address {
    text-align: left; /* Align label to left */
}
.address-container {
    display: flex;
    align-items: center;
    background-color: #f9fafb;
    padding: 0.75rem 1rem; /* Increased padding for better tap target */
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    gap: 0.5rem;
    word-break: break-all; /* Allow long addresses to break */
}
.payment-code { 
    flex-grow: 1; 
    text-align: left; 
    font-size: 0.9rem; 
    font-weight: 600; 
    color: var(--text-primary);
    user-select: all; /* Allow easy selection */
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); /* Adjusted for smaller screens */
    gap: 1rem; /* Slightly tighter gap */
}
.stat-item { 
    display: flex; 
    align-items: center; 
    gap: 0.75rem; /* Consistent gap */
    background-color: var(--background-color);
    padding: 1rem;
    border-radius: 0.5rem;
}
.stat-icon {
    width: 44px; height: 44px; /* Slightly smaller icons */
    border-radius: 50%;
    display: grid;
    place-items: center;
    color: white;
    font-size: 1.1rem; /* Adjusted font size */
    flex-shrink: 0;
}
.stat-icon.success { background-color: var(--success-color); }
.stat-icon.warning { background-color: var(--warning-color); }
.stat-icon.primary { background-color: var(--primary-color); }
.stat-icon.danger { background-color: var(--danger-color); }
.stat-value { font-size: 1.2rem; font-weight: 700; color: var(--text-primary); }
.stat-label { font-size: 0.8rem; color: var(--text-secondary); white-space: nowrap; }

.account-actions button {
    margin-bottom: 0.75rem; /* Consistent spacing */
}
.account-actions button:last-child {
    margin-bottom: 0;
}

/* =================================================================== */
/* 8. Mobil Navigasyon ve Duyarlılık (Mobile Nav & Responsive)       */
/* =================================================================== */

.mobile-nav {
    display: none; /* Initially hidden on desktop */
}

@media (max-width: 768px) {
    /* Hide desktop sidebar */
    .sidebar {
        display: none;
    }

    /* Adjust main content for mobile */
    .main-content {
        padding: 1.5rem 1rem 6rem 1rem; /* Add padding-bottom for mobile nav */
        width: 100%; /* Ensure it takes full width */
    }

    .main-header {
        text-align: center;
    }

    .page-title {
        font-size: 1.75rem;
        justify-content: center; /* Center icon and title */
    }

    .content-grid {
        grid-template-columns: 1fr; /* Single column layout */
    }

    /* Show and style mobile navigation */
    .mobile-nav {
        display: block;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background-color: var(--card-background);
        border-top: 1px solid var(--border-color);
        box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
        z-index: 1000;
        padding-bottom: env(safe-area-inset-bottom); /* For iPhone notches */
    }

    .mobile-nav-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
    }

    .mobile-nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 0.75rem 0.5rem;
        background: none;
        border: none;
        font-size: 0.75rem; /* Smaller font size for labels */
        color: var(--text-secondary);
        cursor: pointer;
        transition: var(--transition);
        flex: 1; /* Distribute space evenly */
    }

    .mobile-nav-item i {
        font-size: 1.25rem;
        margin-bottom: 0.25rem;
    }

    .mobile-nav-item.active {
        color: var(--primary-color);
        font-weight: 600;
    }
    .mobile-nav-item:hover {
        background-color: var(--background-color);
    }
}

@media (max-width: 480px) {
    .auth-card {
        padding: 1.5rem;
    }
    .auth-card h2 {
        font-size: 1.5rem;
    }
    .main-content {
        padding: 1rem 0.75rem 5.5rem 0.75rem;
    }
    .page-title {
        font-size: 1.5rem;
    }
    .pair-symbol {
        font-size: 1.75rem;
    }
    .pair-price {
        font-size: 1.25rem;
    }
    .tp-sl-input {
        font-size: 1rem;
        padding: 0.6rem 0.8rem;
    }
    .stats-grid {
        grid-template-columns: 1fr; /* Stack stats on very small screens */
    }
}