/* ============================================
   ProTrader Platform - Main Stylesheet
   Pure CSS - No frameworks
   ============================================ */

/* CSS Custom Properties (Variables) */
:root {
    /* Brand Colors */
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #3b82f6;
    --color-secondary: #0f172a;
    --color-accent: #06b6d4;

    /* Semantic Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;

    /* Neutral Colors */
    --color-white: #ffffff;
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;
    --color-black: #000000;

    /* Typography - Font Family */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;

    /* Typography - Font Sizes (Major Third Scale 1.25) */
    --font-size-xs: 0.75rem;     /* 12px */
    --font-size-sm: 0.875rem;    /* 14px */
    --font-size-base: 1rem;      /* 16px */
    --font-size-lg: 1.125rem;    /* 18px */
    --font-size-xl: 1.25rem;     /* 20px */
    --font-size-2xl: 1.5rem;     /* 24px */
    --font-size-3xl: 1.875rem;   /* 30px */
    --font-size-4xl: 2.25rem;    /* 36px */
    --font-size-5xl: 3rem;       /* 48px */

    /* Typography - Line Heights */
    --line-height-none: 1;
    --line-height-tight: 1.15;    /* Headings */
    --line-height-snug: 1.25;     /* Subheadings */
    --line-height-normal: 1.5;    /* Body text */
    --line-height-relaxed: 1.625; /* Long-form content */
    --line-height-loose: 1.8;     /* Small text */

    /* Typography - Letter Spacing (Tracking) */
    --tracking-tighter: -0.02em;  /* Large headlines */
    --tracking-tight: -0.01em;    /* Headlines */
    --tracking-normal: 0;         /* Body text */
    --tracking-wide: 0.02em;      /* Small text */
    --tracking-wider: 0.05em;     /* All caps, buttons */
    --tracking-widest: 0.1em;     /* Uppercase labels */

    /* Typography - Font Weights */
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;

    /* Z-index layers */
    --z-dropdown: 100;
    --z-modal: 200;
    --z-toast: 300;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    letter-spacing: var(--tracking-normal);
    font-weight: var(--font-weight-normal);
    color: var(--color-gray-900);
    background-color: var(--color-gray-50);
    min-height: 100vh;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

a.btn,
a.btn:hover,
a.btn:focus,
a.btn:active {
    text-decoration: none;
}

a.btn-primary,
a.btn-primary:hover,
a.btn-primary:focus {
    color: var(--color-white);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ============================================
   Typography
   ============================================ */

/* Headings - tight line-height, appropriate letter-spacing */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

/* Large headings get tighter letter-spacing */
h1 {
    font-size: var(--font-size-4xl);
    letter-spacing: var(--tracking-tighter);
}

h2 {
    font-size: var(--font-size-3xl);
    letter-spacing: var(--tracking-tight);
}

h3 {
    font-size: var(--font-size-2xl);
    letter-spacing: var(--tracking-tight);
}

/* Smaller headings use normal tracking */
h4 {
    font-size: var(--font-size-xl);
    letter-spacing: var(--tracking-normal);
}

h5 {
    font-size: var(--font-size-lg);
    letter-spacing: var(--tracking-normal);
}

h6 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--tracking-normal);
}

/* Body text */
p {
    margin-bottom: var(--spacing-md);
    max-width: 65ch; /* Optimal line length: 50-75 characters */
}

/* Prose - long-form content */
.prose {
    line-height: var(--line-height-relaxed);
    max-width: 65ch;
}

.prose p + p {
    margin-top: 1.5em;
}

/* Text size utilities */
.text-xs {
    font-size: var(--font-size-xs);
    line-height: var(--line-height-loose);
    letter-spacing: var(--tracking-wide);
}

.text-sm {
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
    letter-spacing: var(--tracking-wide);
}

.text-lg {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-normal);
}

.text-xl {
    font-size: var(--font-size-xl);
    line-height: var(--line-height-snug);
}

.text-2xl {
    font-size: var(--font-size-2xl);
    line-height: var(--line-height-tight);
}

/* Text style utilities */
.text-muted { color: var(--color-gray-500); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

/* Uppercase text - always add letter-spacing */
.uppercase {
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
}

/* Small caps style */
.small-caps {
    font-variant: small-caps;
    letter-spacing: var(--tracking-wide);
}

/* Font weight utilities */
.font-normal { font-weight: var(--font-weight-normal); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }

/* Letter spacing utilities */
.tracking-tight { letter-spacing: var(--tracking-tight); }
.tracking-normal { letter-spacing: var(--tracking-normal); }
.tracking-wide { letter-spacing: var(--tracking-wide); }
.tracking-wider { letter-spacing: var(--tracking-wider); }

/* Line height utilities */
.leading-tight { line-height: var(--line-height-tight); }
.leading-normal { line-height: var(--line-height-normal); }
.leading-relaxed { line-height: var(--line-height-relaxed); }

/* ============================================
   Layout Components
   ============================================ */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.auth-layout {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.auth-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-gray-800) 100%);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-2xl);
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.auth-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.auth-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.auth-title {
    font-size: var(--font-size-2xl);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xs);
}

.auth-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.auth-footer {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-200);
}

.auth-footer p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-bottom: 0;
}

/* ============================================
   Forms
   ============================================ */

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-sm);
}

.form-label.required::after {
    content: ' *';
    color: var(--color-error);
}

.form-input {
    width: 100%;
    padding: var(--spacing-md);
    font-size: var(--font-size-base);
    font-family: inherit;
    color: var(--color-gray-900);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
}

.form-input:hover {
    border-color: var(--color-gray-400);
}

.form-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-input::placeholder {
    color: var(--color-gray-400);
}

.form-input.error {
    border-color: var(--color-error);
}

.form-input.error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-error {
    display: none;
    font-size: var(--font-size-sm);
    color: var(--color-error);
    margin-top: var(--spacing-xs);
}

.form-group.has-error .form-error {
    display: block;
}

.form-group.has-error .form-input {
    border-color: var(--color-error);
}

.form-hint {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin-top: var(--spacing-xs);
}

/* Password Toggle */
.password-wrapper {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-gray-400);
    cursor: pointer;
    padding: var(--spacing-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-fast);
}

.password-toggle:hover {
    color: var(--color-gray-600);
}

.password-wrapper .form-input {
    padding-right: calc(var(--spacing-md) * 3);
}

/* Checkbox */
.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.form-checkbox label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    cursor: pointer;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 500;
    font-family: inherit;
    line-height: 1;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-dark);
}

.btn-secondary {
    color: var(--color-gray-700);
    background-color: var(--color-gray-100);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--color-gray-200);
}

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

.btn-outline:hover:not(:disabled) {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-lg {
    padding: calc(var(--spacing-md) * 1.25) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}

/* Loading State */
.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.btn-primary.loading::after {
    border-top-color: var(--color-white);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   Alerts & Messages
   ============================================ */

.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.alert-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.alert-success {
    background-color: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-error {
    background-color: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-warning {
    background-color: #fffbeb;
    color: #92400e;
    border: 1px solid #fde68a;
}

.alert-info {
    background-color: #eff6ff;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

/* ============================================
   Divider
   ============================================ */

.divider {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--color-gray-200);
}

.divider span {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
}

/* ============================================
   Utility Classes
   ============================================ */

.hidden { display: none !important; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Skip Link - Accessibility */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: 500;
    z-index: 9999;
    text-decoration: none;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--spacing-md);
    outline: 2px solid var(--color-white);
    outline-offset: 2px;
}

/* Visually hidden - accessible to screen readers */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 640px) {
    .auth-container {
        padding: var(--spacing-md);
    }

    .auth-card {
        padding: var(--spacing-lg);
    }

    .auth-title {
        font-size: var(--font-size-xl);
    }
}

/* ============================================
   Password Strength Indicator
   ============================================ */

.password-strength {
    margin-top: var(--spacing-sm);
}

.password-strength-bar {
    height: 4px;
    background-color: var(--color-gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-xs);
}

.password-strength-fill {
    height: 100%;
    width: 0;
    transition: width var(--transition-normal), background-color var(--transition-normal);
    border-radius: var(--radius-full);
}

.password-strength-fill.weak {
    width: 25%;
    background-color: var(--color-error);
}

.password-strength-fill.fair {
    width: 50%;
    background-color: var(--color-warning);
}

.password-strength-fill.good {
    width: 75%;
    background-color: var(--color-info);
}

.password-strength-fill.strong {
    width: 100%;
    background-color: var(--color-success);
}

.password-strength-text {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

/* ============================================
   Toast Notifications
   ============================================ */

#toast-container {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-width: 400px;
}

.toast {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: slideIn 0.3s ease;
    background-color: var(--color-white);
    border-left: 4px solid;
}

.toast-success {
    border-left-color: var(--color-success);
}

.toast-error {
    border-left-color: var(--color-error);
}

.toast-warning {
    border-left-color: var(--color-warning);
}

.toast-info {
    border-left-color: var(--color-info);
}

.toast-message {
    flex: 1;
    font-size: var(--font-size-sm);
}

.toast-close {
    background: none;
    border: none;
    color: var(--color-gray-400);
    cursor: pointer;
    padding: var(--spacing-xs);
    transition: color var(--transition-fast);
}

.toast-close:hover {
    color: var(--color-gray-600);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

.toast.removing {
    animation: slideOut 0.3s ease forwards;
}

/* ============================================
   Main Header
   ============================================ */

.main-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-xl);
    background-color: var(--color-gray-900);
    border-bottom: 1px solid var(--color-gray-800);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
    border-radius: var(--radius-md);
    margin: -20px 0;
}

.header-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-accent);
}

.header-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.nav-link:hover {
    color: var(--color-white);
    background-color: var(--color-gray-800);
    text-decoration: none;
}

.nav-link.active {
    color: var(--color-white);
    background-color: var(--color-primary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* User Menu */
.user-menu {
    position: relative;
}

.user-menu-trigger {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: none;
    border: 1px solid var(--color-gray-700);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-menu-trigger:hover {
    background-color: var(--color-gray-800);
    border-color: var(--color-gray-600);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.user-name {
    color: var(--color-white);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.user-dropdown {
    position: absolute;
    top: calc(100% + var(--spacing-sm));
    right: 0;
    min-width: 180px;
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
}

.user-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    width: 100%;
    padding: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    transition: background-color var(--transition-fast);
    text-decoration: none;
}

.dropdown-item:hover {
    background-color: var(--color-gray-50);
    text-decoration: none;
}

.dropdown-divider {
    margin: var(--spacing-sm) 0;
    border: none;
    border-top: 1px solid var(--color-gray-200);
}

/* ============================================
   Dashboard Layout
   ============================================ */

body.dashboard-page {
    background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-black) 100%);
    min-height: 100vh;
}

.main-content {
    padding: var(--spacing-xl);
    background-color: var(--color-black);
    min-height: calc(100vh - 70px);
}

.page-header {
    margin-bottom: var(--spacing-xl);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.page-header-content {
    flex: 1;
}

.page-header h1 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.page-subtitle {
    color: var(--color-gray-400);
    font-size: var(--font-size-lg);
    margin-bottom: 0;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.stat-card {
    background-color: var(--color-gray-900);
    border: 1px solid var(--color-gray-800);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
}

.stat-icon-primary {
    background-color: rgba(37, 99, 235, 0.15);
    color: var(--color-primary-light);
}

.stat-icon-success {
    background-color: rgba(16, 185, 129, 0.15);
    color: var(--color-success);
}

.stat-icon-warning {
    background-color: rgba(245, 158, 11, 0.15);
    color: var(--color-warning);
}

.stat-icon-info {
    background-color: rgba(6, 182, 212, 0.15);
    color: var(--color-accent);
}

.stat-content {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-xs);
}

.stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-white);
}

/* Dashboard Sections */
.dashboard-section {
    margin-bottom: var(--spacing-2xl);
}

.dashboard-section h2 {
    color: var(--color-white);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
}

/* Platform Grid */
.platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.platform-card {
    background-color: var(--color-gray-900);
    border: 1px solid var(--color-gray-800);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
}

.platform-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.platform-name {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-white);
}

.platform-badge {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: var(--radius-full);
    text-transform: capitalize;
}

.platform-badge.loading {
    background-color: var(--color-gray-800);
    color: var(--color-gray-400);
}

.platform-badge.success {
    background-color: rgba(16, 185, 129, 0.15);
    color: var(--color-success);
}

.platform-badge.warning {
    background-color: rgba(245, 158, 11, 0.15);
    color: var(--color-warning);
}

.platform-badge.error {
    background-color: rgba(239, 68, 68, 0.15);
    color: var(--color-error);
}

.platform-stats {
    display: flex;
    gap: var(--spacing-xl);
}

.platform-stat {
    display: flex;
    flex-direction: column;
}

.platform-stat .stat-label {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-xs);
}

.platform-stat .stat-value {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-white);
}

/* Activity List */
.activity-list {
    background-color: var(--color-gray-900);
    border: 1px solid var(--color-gray-800);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-gray-800);
}

.activity-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.activity-item:first-child {
    padding-top: 0;
}

.activity-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    background-color: var(--color-gray-800);
    color: var(--color-gray-400);
}

.activity-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.activity-text {
    color: var(--color-white);
    font-size: var(--font-size-sm);
}

.activity-time {
    color: var(--color-gray-500);
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-xs);
}

.empty-state {
    color: var(--color-gray-500);
    text-align: center;
    padding: var(--spacing-xl);
}

.loading-spinner {
    color: var(--color-gray-500);
    text-align: center;
    padding: var(--spacing-xl);
}

/* Subscription Card */
.subscription-card {
    background-color: var(--color-gray-900);
    border: 1px solid var(--color-gray-800);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
}

.subscription-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.subscription-plan {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-white);
}

.subscription-status {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: var(--radius-full);
    background-color: rgba(16, 185, 129, 0.15);
    color: var(--color-success);
    text-transform: capitalize;
}

.subscription-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.subscription-detail {
    display: flex;
    justify-content: space-between;
}

.detail-label {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}

.detail-value {
    color: var(--color-white);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.subscription-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.feature-tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    background-color: var(--color-gray-800);
    color: var(--color-gray-300);
    border-radius: var(--radius-md);
}

/* ============================================
   Platforms Page
   ============================================ */

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.platform-connect-card {
    background-color: var(--color-gray-900);
    border: 1px solid var(--color-gray-800);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.platform-connect-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--color-gray-800);
}

.platform-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: 700;
    flex-shrink: 0;
}

.platform-icon-mt5 {
    background: linear-gradient(135deg, #1e88e5 0%, #1565c0 100%);
    color: var(--color-white);
}

.platform-icon-ctrader {
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    color: var(--color-white);
}

.platform-info h3 {
    color: var(--color-white);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.platform-info p {
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

.platform-connect-body {
    padding: var(--spacing-xl);
}

.platform-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-gray-300);
    font-size: var(--font-size-sm);
}

.feature-check {
    color: var(--color-success);
    font-weight: 700;
}

.connected-accounts {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.connected-account {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background-color: var(--color-gray-800);
    border-radius: var(--radius-md);
}

.account-info {
    display: flex;
    flex-direction: column;
}

.account-name {
    color: var(--color-white);
    font-weight: 500;
    font-size: var(--font-size-sm);
}

.account-details {
    color: var(--color-gray-500);
    font-size: var(--font-size-xs);
}

.account-status {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: var(--radius-full);
}

.account-status.active {
    background-color: rgba(16, 185, 129, 0.15);
    color: var(--color-success);
}

.account-status.inactive {
    background-color: rgba(239, 68, 68, 0.15);
    color: var(--color-error);
}

.account-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--color-gray-400);
    transition: all 0.2s ease;
}

.btn-icon:hover {
    background-color: var(--color-gray-700);
    color: var(--color-white);
}

.btn-icon.btn-delete:hover {
    background-color: rgba(239, 68, 68, 0.15);
    color: var(--color-error);
}

.platform-connect-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid var(--color-gray-800);
    background-color: rgba(0, 0, 0, 0.2);
}

.platform-connect-footer .btn {
    width: 100%;
}

/* Steps Grid */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.step-card {
    background-color: var(--color-gray-900);
    border: 1px solid var(--color-gray-800);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
}

.step-number {
    width: 40px;
    height: 40px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin: 0 auto var(--spacing-md);
}

.step-card h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.step-card p {
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

/* ============================================
   Modal
   ============================================ */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    padding: var(--spacing-lg);
}

.modal {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid var(--color-gray-200);
}

.modal-header h3 {
    font-size: var(--font-size-xl);
    color: var(--color-gray-900);
    margin: 0;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    color: var(--color-gray-400);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background-color: var(--color-gray-100);
    color: var(--color-gray-600);
}

.modal-body {
    padding: var(--spacing-xl);
}

.modal-body .form-group:last-child {
    margin-bottom: 0;
}

.modal-body .alert {
    margin-top: var(--spacing-lg);
    margin-bottom: 0;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid var(--color-gray-200);
    background-color: var(--color-gray-50);
}

/* Form Input Styling for Modal */
.modal .form-input {
    background-color: var(--color-white);
    border-color: var(--color-gray-300);
    color: var(--color-gray-900);
}

.modal .form-input:focus {
    border-color: var(--color-primary);
}

.modal .form-label {
    color: var(--color-gray-700);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
    .main-header {
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }

    .header-nav {
        order: 3;
        width: 100%;
        justify-content: center;
    }


    .main-content {
        padding: var(--spacing-md);
    }

    .page-header {
        flex-direction: column;
    }

    .platforms-grid {
        grid-template-columns: 1fr;
    }
}