/**
 * ZeroAI Tech - Investor Portal Complete Stylesheet
 * Your Badass ARD Design System - No External Imports
 * FILE: assets/css/style.css
 */

/* CSS Variables - Your Perfect Color Palette */
:root {
    --primary: #00ff88;         /* Signature ARD green */
    --secondary: #0080ff;       /* Electric blue */
    --dark: #0a0e27;           /* Deep space blue */
    --darker: #050714;          /* Deepest background */
    --light: #ffffff;          /* Pure white */
    --glass: rgba(255, 255, 255, 0.05);  /* Glassmorphism */
    --glass-border: rgba(255, 255, 255, 0.1);
    --success: #00ff88;
    --warning: #ffaa00;
    --danger: #ff453a;
    --info: #0080ff;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--darker);
    color: var(--light);
    overflow-x: hidden;
    line-height: 1.6;
    min-height: 100vh;
}



/* Loading Screen - ARD Animation */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--darker);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    transition: opacity 0.5s, visibility 0.5s;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
}

.ard-loader {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.ard-letter {
    font-size: 3rem;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: pulse 1.5s ease-in-out infinite;
}

.ard-letter:nth-child(1) { animation-delay: 0s; }
.ard-letter:nth-child(2) { animation-delay: 0.2s; }
.ard-letter:nth-child(3) { animation-delay: 0.4s; }

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 1; }
}

/* Neural Network Background */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, #0a0e27 0%, #050714 50%, #0a0e27 100%);
}

.white-logo {
    filter: invert(1) grayscale(1) brightness(2);
}

/* Navigation */
nav {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(10, 14, 39, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

nav.scrolled {
    background: rgba(5, 7, 20, 0.95);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
}

.logo img {
    height: 40px;
    width: auto;
}

.logo-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.ard-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    font-size: 0.8rem;
    margin-left: 0.5rem;
    color: var(--primary);
    font-weight: 600;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--light);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 1rem;
    font-weight: 500;
    cursor: pointer;
    border: none;
    background: none;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Login Page Styles */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-card {
    background: var(--glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 3rem;
    width: 100%;
    max-width: 450px;
    box-shadow: 0 25px 50px rgba(0, 255, 136, 0.1);
}

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

.login-logo {
    height: 60px;
    margin-bottom: 1rem;
}

.login-title {
    font-size: 2rem;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

/* Dashboard Layout */
.dashboard {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: calc(100vh - 80px);
    padding-top: 80px;
}

.sidebar {
    background: var(--glass);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--glass-border);
    padding: 2rem 0;
    position: sticky;
    top: 80px;
    height: calc(100vh - 80px);
    overflow-y: auto;
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-item {
    margin: 0.5rem 0;
}

.sidebar-link {
    display: flex;
    align-items: center;
    padding: 1rem 2rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.sidebar-link:hover,
.sidebar-link.active {
    background: rgba(0, 255, 136, 0.1);
    color: var(--primary);
    border-right: 3px solid var(--primary);
}

.sidebar-icon {
    margin-right: 1rem;
    font-size: 1.2rem;
}

.main-content {
    padding: 2rem;
    background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 100%);
    min-height: calc(100vh - 80px);
}

/* Hero Section */
.hero {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
}

.hero-content {
    max-width: 1400px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.ard-hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--glass);
    border: 1px solid var(--primary);
    border-radius: 25px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--primary);
}

.ard-text span {
    font-weight: bold;
    color: var(--secondary);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    line-height: 1.1;
    background: linear-gradient(135deg, var(--light) 0%, var(--primary) 50%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.hero-description {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Page Sections */
.page-section {
    padding: 4rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.1rem;
}

/* Service Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.service-card {
    background: var(--glass);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    padding: 2.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 255, 136, 0.3);
    border-color: var(--primary);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    animation: float 3s ease-in-out infinite;
}

.service-card:nth-child(even) .service-icon {
    animation-delay: 1.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--light);
}

.service-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

/* CTA Section */
.cta-section {
    padding: 6rem 2rem;
    text-align: center;
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--glass);
    backdrop-filter: blur(20px);
    border: 2px solid var(--primary);
    border-radius: 30px;
    padding: 3rem;
    box-shadow: 0 20px 60px rgba(0, 255, 136, 0.3);
}

.cta-title {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--light);
}

.cta-text {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
footer {
    padding: 4rem 2rem 2rem;
    background: var(--darker);
    border-top: 1px solid var(--glass-border);
    margin-top: 4rem;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--primary);
}

.footer-link {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    color: rgba(255, 255, 255, 0.5);
}

.ard-footer {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.5rem 1rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    color: var(--primary);
    font-weight: 600;
}

/* Mobile Navigation */
.mobile-menu {
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    cursor: pointer;
}

.mobile-menu span {
    width: 25px;
    height: 3px;
    background: var(--primary);
    transition: all 0.3s ease;
}

.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background: var(--dark);
    z-index: 999;
    transition: right 0.3s ease;
    padding: 5rem 2rem 2rem;
}

.mobile-nav.active {
    right: 0;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.mobile-nav-link {
    color: var(--light);
    text-decoration: none;
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

.mobile-nav-link:hover {
    color: var(--primary);
}

/* Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Main Content */
main {
    min-height: calc(100vh - 300px);
    padding-top: 80px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu {
        display: flex;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
}


/* Dashboard Cards */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.dashboard-card {
    background: var(--glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.dashboard-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 255, 136, 0.2);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.card-title {
    font-size: 1.2rem;
    color: var(--light);
    margin: 0;
}

.card-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark);
    font-size: 1.5rem;
}

.card-value {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.card-change {
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.change-positive {
    color: var(--success);
}

.change-negative {
    color: var(--danger);
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--light);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--light);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.2);
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

/* Buttons */
.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
    justify-content: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--dark);
}

.btn-secondary {
    background: transparent;
    color: var(--light);
    border: 2px solid var(--glass-border);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    border-radius: 25px;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 255, 136, 0.3);
}

.btn-login {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--dark);
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 255, 136, 0.3);
}

/* Portfolio Chart Container */
.chart-container {
    background: var(--glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 2rem;
    height: 400px;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.chart-title {
    font-size: 1.5rem;
    color: var(--light);
}

.chart-filters {
    display: flex;
    gap: 1rem;
}

.filter-btn {
    padding: 0.5rem 1rem;
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary);
    color: var(--dark);
    border-color: var(--primary);
}

/* Data Table */
.data-table {
    width: 100%;
    background: var(--glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    overflow: hidden;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
}

.table th {
    background: rgba(0, 255, 136, 0.1);
    color: var(--primary);
    font-weight: 600;
}

.table td {
    color: rgba(255, 255, 255, 0.8);
}

.table tr:hover {
    background: rgba(0, 255, 136, 0.05);
}

/* Status Badges */
.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-active {
    background: rgba(0, 255, 136, 0.2);
    color: var(--success);
}

.status-pending {
    background: rgba(255, 170, 0, 0.2);
    color: var(--warning);
}

.status-completed {
    background: rgba(0, 128, 255, 0.2);
    color: var(--info);
}

.status-verified {
    background: rgba(0, 255, 136, 0.2);
    color: var(--success);
}

.status-rejected {
    background: rgba(255, 69, 58, 0.2);
    color: var(--danger);
}

/* Glass Effects */
.glass-card {
    background: var(--glass);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    padding: 2rem;
    transition: all 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 255, 136, 0.2);
}

/* Document Upload */
.upload-area {
    border: 2px dashed var(--glass-border);
    border-radius: 15px;
    padding: 3rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--primary);
    background: rgba(0, 255, 136, 0.05);
}

.upload-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.upload-text {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
}

/* Notifications */
.notification {
    position: fixed;
    top: 100px;
    right: 2rem;
    padding: 1rem 1.5rem;
    border-radius: 10px;
    color: var(--light);
    font-weight: 500;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    transform: translateX(400px);
    transition: transform 0.3s ease;
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    background: rgba(0, 255, 136, 0.9);
    border: 1px solid var(--success);
}

.notification.error {
    background: rgba(255, 69, 58, 0.9);
    border: 1px solid var(--danger);
}

.notification.warning {
    background: rgba(255, 170, 0, 0.9);
    border: 1px solid var(--warning);
}

/* Loading States */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(5, 7, 20, 0.9);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--glass-border);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu {
        display: flex;
        flex-direction: column;
        gap: 0.25rem;
        cursor: pointer;
    }

    .mobile-menu span {
        width: 25px;
        height: 3px;
        background: var(--primary);
        transition: all 0.3s ease;
    }

    .dashboard {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        position: fixed;
        top: 80px;
        left: -280px;
        z-index: 999;
        transition: left 0.3s ease;
        height: calc(100vh - 80px);
        width: 280px;
    }
    
    .sidebar.active {
        left: 0;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .chart-container {
        height: 300px;
    }
    
    .table {
        font-size: 0.9rem;
    }
    
    .table th,
    .table td {
        padding: 0.75rem 0.5rem;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--dark);
}

::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}