/* ==================== PHANTOM WALLET STYLE UI ==================== */
/* Modern, minimalist, tech-forward design */

:root {
    /* Цветовая палитра */
    --purple-start: #AB27F0;
    --purple-middle: #8B3DDD;
    --purple-end: #6A4FCA;
    --accent-purple: #9747FF;
    
    --dark-bg: #0D0D0D;
    --lighter-dark: #1A1A1A;
    --card-bg: rgba(255, 255, 255, 0.05);
    
    --text-primary: #FFFFFF;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-tertiary: rgba(255, 255, 255, 0.5);
    
    --accent-cyan: #5CFFE8;
    --accent-pink: #FF5CFF;
    --accent-blue: #5C9FFF;
    
    /* Градиенты */
    --gradient-primary: linear-gradient(135deg, #AB27F0 0%, #8B3DDD 50%, #6A4FCA 100%);
    --gradient-accent: radial-gradient(circle, rgba(171, 39, 240, 0.3) 0%, rgba(171, 39, 240, 0) 70%);
    
    /* Spacing */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 32px;
    --space-xl: 48px;
    --space-2xl: 64px;
    --space-3xl: 96px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-soft: 0 4px 24px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 8px 48px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 48px rgba(171, 39, 240, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0.0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0.0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0.0, 0.6, 1);
}

/* ==================== RESET & BASE ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Animated background */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(171, 39, 240, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(92, 159, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(92, 255, 232, 0.08) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
    z-index: -1;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(5deg); }
    66% { transform: translate(-20px, 20px) rotate(-5deg); }
}

/* ==================== TYPOGRAPHY ==================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

h1 {
    font-size: clamp(48px, 8vw, 96px);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-md);
}

h2 {
    font-size: clamp(32px, 5vw, 56px);
    margin-bottom: var(--space-md);
}

h3 {
    font-size: clamp(24px, 3vw, 32px);
    margin-bottom: var(--space-sm);
}

p {
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* ==================== CONTAINER ==================== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ==================== UPLOAD PAGE ==================== */
.upload-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl) var(--space-md);
    position: relative;
}

.upload-container {
    max-width: 800px;
    width: 100%;
    text-align: center;
    position: relative;
    z-index: 1;
}

.upload-header {
    margin-bottom: var(--space-2xl);
    animation: fadeInUp 0.6s ease-out;
}

.upload-header h1 {
    margin-bottom: var(--space-sm);
}

.upload-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ==================== GLASSMORPHISM CARD ==================== */
.upload-form-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
    box-shadow: var(--shadow-medium);
    transition: all var(--transition-normal);
}

.upload-form-card:hover {
    border-color: rgba(171, 39, 240, 0.3);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

/* ==================== CALCULATION MODE SELECTOR ==================== */
.calculation-mode-section {
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
    text-align: center;
}

.calculation-mode-label {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.calculation-mode-tabs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-sm);
    margin: 0 auto;
    max-width: 100%;
}

.mode-tab {
    position: relative;
    cursor: pointer;
}

.mode-tab input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.mode-tab-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.mode-tab-content::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: var(--gradient-accent);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.mode-tab:hover .mode-tab-content {
    border-color: var(--accent-purple);
    background: rgba(171, 39, 240, 0.05);
    transform: translateY(-2px);
}

.mode-tab:hover .mode-tab-content::before {
    opacity: 1;
}

.mode-tab.active .mode-tab-content {
    background: linear-gradient(135deg, rgba(171, 39, 240, 0.2) 0%, rgba(106, 79, 202, 0.2) 100%);
    border-color: var(--accent-purple);
    box-shadow: 0 0 24px rgba(171, 39, 240, 0.3);
}

.mode-icon {
    width: 32px;
    height: 32px;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
    position: relative;
    z-index: 1;
}

.mode-tab.active .mode-icon {
    color: var(--accent-cyan);
    transform: scale(1.1);
}

.mode-text {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
    position: relative;
    z-index: 1;
    text-align: center;
}

.mode-tab.active .mode-text {
    color: var(--text-primary);
    font-weight: 600;
}

/* ==================== FILE UPLOAD ==================== */
.file-upload-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.file-upload-box {
    background: rgba(255, 255, 255, 0.03);
    border: 2px dashed rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.file-upload-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: var(--gradient-accent);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.file-upload-box:hover {
    border-color: var(--accent-purple);
    background: rgba(171, 39, 240, 0.05);
    transform: translateY(-2px);
}

.file-upload-box:hover::before {
    opacity: 1;
}

.file-upload-content {
    position: relative;
    z-index: 1;
}

.file-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    animation: pulse 2s ease-in-out infinite;
}

.file-icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

.file-upload-label {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.file-upload-hint {
    font-size: 14px;
    color: var(--text-tertiary);
}

.file-selected {
    margin-top: var(--space-sm);
    padding: var(--space-sm);
    background: rgba(92, 255, 232, 0.1);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--accent-cyan);
    font-weight: 500;
}

/* ==================== BUTTONS ==================== */
.btn-primary {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 16px 48px;
    border-radius: var(--radius-full);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 16px rgba(171, 39, 240, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #c747ff 0%, #AB27F0 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(171, 39, 240, 0.4);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary span {
    position: relative;
    z-index: 1;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 12px 24px;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

/* ==================== RESULTS PAGE ==================== */
.results-page {
    display: none;
    min-height: 100vh;
    padding: var(--space-2xl) 0;
}

.results-page.active {
    display: block;
    animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==================== RESULTS HEADER ==================== */
.results-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
    animation: fadeInUp 0.6s ease-out;
}

.btn-back {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    transition: all var(--transition-normal);
}

.btn-back:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-purple);
    transform: translateX(-4px);
}

.btn-back svg {
    width: 20px;
    height: 20px;
}

.results-subtitle {
    font-size: 16px;
    color: var(--text-tertiary);
    margin-top: var(--space-xs);
}

/* ==================== STATS GRID ==================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.stat-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition-normal);
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: backwards;
}

.stat-card:nth-child(1) { animation-delay: 0.1s; }
.stat-card:nth-child(2) { animation-delay: 0.2s; }
.stat-card:nth-child(3) { animation-delay: 0.3s; }
.stat-card:nth-child(4) { animation-delay: 0.4s; }

.stat-card:hover {
    border-color: rgba(171, 39, 240, 0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.stat-card.primary {
    background: linear-gradient(135deg, rgba(171, 39, 240, 0.1) 0%, rgba(106, 79, 202, 0.1) 100%);
    border-color: rgba(171, 39, 240, 0.3);
}

.stat-card.warning {
    background: linear-gradient(135deg, rgba(255, 92, 255, 0.1) 0%, rgba(255, 92, 92, 0.1) 100%);
    border-color: rgba(255, 92, 255, 0.3);
}

.stat-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-sm);
}

.stat-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.stat-label {
    font-size: 14px;
    color: var(--text-tertiary);
    margin-bottom: var(--space-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-value {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==================== CHART SECTION ==================== */
.chart-section {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-2xl);
    animation: fadeInUp 0.8s ease-out;
}

.section-header {
    margin-bottom: var(--space-lg);
}

.section-header h2 {
    margin-bottom: var(--space-xs);
}

.section-header p {
    font-size: 14px;
    color: var(--text-tertiary);
}

.chart-container {
    position: relative;
    min-height: 400px;
}

/* ==================== COMPANIES SECTION ==================== */
.companies-section {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-2xl);
    animation: fadeInUp 1s ease-out;
}

.companies-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.company-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    transition: all var(--transition-normal);
}

.company-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-purple);
    transform: translateX(4px);
}

.company-card.compact {
    padding: var(--space-md);
}

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

.company-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.company-badge {
    padding: 6px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.company-badge.warning {
    background: rgba(255, 92, 255, 0.2);
    color: var(--accent-pink);
}

.company-details.compact {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.detail-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.detail-label {
    font-size: 12px;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.detail-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.detail-value.highlight {
    color: var(--accent-cyan);
}

.company-card-mini {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-left: 3px solid var(--accent-purple);
    border-radius: var(--radius-sm);
    padding: var(--space-sm);
    transition: all var(--transition-fast);
}

.company-card-mini:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* ==================== TABLE SECTION ==================== */
.table-section {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-2xl);
    animation: fadeInUp 1.2s ease-out;
}

.table-wrapper {
    overflow-x: auto;
}

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

.comparison-table thead {
    background: rgba(255, 255, 255, 0.05);
}

.comparison-table th {
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.comparison-table td {
    padding: var(--space-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 14px;
}

.comparison-table tr {
    transition: all var(--transition-fast);
}

.comparison-table tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

.status-badge {
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-badge.ok {
    background: rgba(92, 255, 232, 0.2);
    color: var(--accent-cyan);
}

.status-badge.warning {
    background: rgba(255, 92, 255, 0.2);
    color: var(--accent-pink);
}

/* ==================== PROGRESS ==================== */
.progress-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(20px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.progress-container.active {
    display: flex;
}

.progress-content {
    text-align: center;
    max-width: 400px;
}

.spinner {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    animation: rotate 2s linear infinite;
}

.spinner circle {
    stroke: var(--accent-purple);
    stroke-width: 4;
    stroke-linecap: round;
    fill: none;
    stroke-dasharray: 150;
    stroke-dashoffset: 0;
    animation: dash 1.5s ease-in-out infinite;
}

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

@keyframes dash {
    0% { stroke-dashoffset: 150; }
    50% { stroke-dashoffset: 75; }
    100% { stroke-dashoffset: 150; }
}

.progress-content h2 {
    font-size: 24px;
    margin-bottom: var(--space-xs);
}

.progress-subtitle {
    color: var(--text-tertiary);
    margin-bottom: var(--space-lg);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    :root {
        --space-xl: 32px;
        --space-2xl: 48px;
        --space-3xl: 64px;
    }
    
    .file-upload-group {
        grid-template-columns: 1fr;
    }
    
    .calculation-mode-tabs {
        grid-template-columns: 1fr;
        gap: var(--space-xs);
    }
    
    .mode-tab-content {
        flex-direction: row;
        justify-content: center;
        padding: var(--space-sm);
    }
    
    .mode-text {
        font-size: 13px;
    }
    
    .mode-icon {
        width: 24px;
        height: 24px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .detail-row {
        grid-template-columns: 1fr;
    }
    
    .results-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .upload-form-card {
        padding: var(--space-lg);
    }
}

/* ==================== UTILITY CLASSES ==================== */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glow {
    box-shadow: var(--shadow-glow);
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus states */
*:focus-visible {
    outline: 2px solid var(--accent-purple);
    outline-offset: 2px;
}

/* ==================== LOGIN PAGE ==================== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
}

.login-container {
    max-width: 420px;
    width: 100%;
}

.login-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    animation: fadeInUp 0.6s ease-out;
    box-shadow: var(--shadow-medium);
}

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

.login-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-md);
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 2s ease-in-out infinite;
}

.login-icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.login-header h1 {
    font-size: 24px;
    margin-bottom: var(--space-xs);
}

.login-subtitle {
    font-size: 14px;
    color: var(--text-tertiary);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input {
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    transition: all var(--transition-normal);
    width: 100%;
}

.password-input-wrapper {
    position: relative;
    width: 100%;
}

.password-input-wrapper input {
    width: 100%;
    padding-right: 48px !important;
}

.toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    transition: all var(--transition-normal);
    z-index: 10;
}

.toggle-password svg {
    width: 20px;
    height: 20px;
}

.toggle-password:hover {
    color: var(--text-primary);
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-purple);
    background: rgba(255, 255, 255, 0.08);
}

.form-group input::placeholder {
    color: var(--text-tertiary);
}

.error-message {
    padding: var(--space-sm);
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius-sm);
    color: #FF5252;
    font-size: 14px;
    text-align: center;
}

.btn-login {
    margin-top: var(--space-sm);
    width: 100%;
}

.login-footer {
    margin-top: var(--space-lg);
    text-align: center;
    font-size: 12px;
    color: var(--text-tertiary);
}

/* ==================== HEADER BAR ==================== */
.header-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: rgba(13, 13, 13, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-md);
    z-index: 100;
}

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

.header-logo {
    font-size: 18px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.btn-header {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
}

.btn-header svg {
    width: 16px;
    height: 16px;
}

.btn-header:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-purple);
    color: var(--text-primary);
}

.header-user {
    padding: 6px 12px;
    background: rgba(171, 39, 240, 0.1);
    border: 1px solid rgba(171, 39, 240, 0.3);
    border-radius: var(--radius-full);
    font-size: 12px;
    color: var(--text-secondary);
}

/* ==================== HISTORY PAGE ==================== */
.history-page {
    min-height: 100vh;
    padding: 96px var(--space-md) var(--space-2xl);
}

.page-header {
    max-width: 1280px;
    margin: 0 auto var(--space-2xl);
    text-align: center;
}

.page-header h1 {
    margin-bottom: var(--space-xs);
}

.page-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
}

.history-list {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.history-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all var(--transition-normal);
    animation: fadeInUp 0.6s ease-out backwards;
}

.history-card:hover {
    border-color: rgba(171, 39, 240, 0.3);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.history-card:nth-child(1) { animation-delay: 0.1s; }
.history-card:nth-child(2) { animation-delay: 0.2s; }
.history-card:nth-child(3) { animation-delay: 0.3s; }
.history-card:nth-child(4) { animation-delay: 0.4s; }
.history-card:nth-child(5) { animation-delay: 0.5s; }

.history-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex: 1;
}

.history-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.history-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.history-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.history-filename {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.history-meta {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 13px;
    color: var(--text-tertiary);
}

.history-separator {
    color: rgba(255, 255, 255, 0.2);
}

.history-mode {
    padding: 2px 8px;
    background: rgba(171, 39, 240, 0.1);
    border-radius: var(--radius-sm);
    font-size: 11px;
}

.history-actions {
    display: flex;
    gap: var(--space-sm);
}

.btn-download {
    padding: 8px 16px;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-sm);
    color: white;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
}

.btn-download svg {
    width: 16px;
    height: 16px;
}

.btn-download:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(171, 39, 240, 0.3);
}

.loading-spinner {
    text-align: center;
    padding: var(--space-2xl);
}

.loading-spinner p {
    margin-top: var(--space-md);
    color: var(--text-tertiary);
}

.empty-state {
    text-align: center;
    padding: var(--space-3xl) var(--space-md);
}

.empty-state svg {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    color: var(--text-tertiary);
}

.empty-state h3 {
    font-size: 24px;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.empty-state p {
    color: var(--text-tertiary);
    margin-bottom: var(--space-lg);
}

.error-state {
    text-align: center;
    padding: var(--space-2xl);
    color: #FF5252;
}

@media (max-width: 768px) {
    .history-card {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .history-actions {
        width: 100%;
        margin-top: var(--space-sm);
    }
    
    .btn-download {
        width: 100%;
        justify-content: center;
    }
}