/* LekzyTTP Multi-Tulz - Professional Glass Theme */

:root {
    /* Color Palette - Mature Professional Dark Theme */
    --primary-bg: linear-gradient(135deg, #1a1d29 0%, #252837 50%, #2a2d47 100%);
    --glass-bg: rgba(26, 29, 41, 0.85);
    --glass-border: rgba(100, 149, 237, 0.4);
    --card-bg: rgba(32, 37, 55, 0.9);
    --input-bg: rgba(42, 45, 71, 0.8);
    --button-primary: linear-gradient(135deg, #6495ed, #4169e1);
    --button-hover: linear-gradient(135deg, #7b68ee, #6495ed);
    --text-primary: #e8eaf6;
    --text-secondary: #b8c5d6;
    --text-accent: #87ceeb;
    --border-color: rgba(135, 206, 235, 0.3);
    --shadow-dark: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(135, 206, 235, 0.2);
}

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

body {
    font-family: 'Segoe UI', 'Roboto', 'Arial', sans-serif;
    background: var(--primary-bg);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    font-weight: 400;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(135, 206, 235, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(100, 149, 237, 0.05) 0%, transparent 50%);
    z-index: -1;
    /* Removed animation that causes shaking */
}

/* Removed backgroundPulse animation that causes screen shaking */

/* Glass Card Styles */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--shadow-dark);
    padding: 2rem;
    margin: 1rem 0;
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(135, 206, 235, 0.3), transparent);
}

/* Professional Container */
.professional-container {
    max-width: 500px;
    width: 90%;
    margin: 0 auto;
    padding: 2rem 0;
}

/* Headers */
.brand-header {
    text-align: center;
    margin-bottom: 2rem;
}

.brand-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-accent);
    text-shadow: 0 0 15px rgba(135, 206, 235, 0.3);
    margin-bottom: 0.5rem;
    letter-spacing: 1px;
}

.brand-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 400;
}

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

.form-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--text-accent);
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.form-control-glass {
    width: 100%;
    padding: 1rem 1.25rem;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    line-height: 1.5;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.form-control-glass:focus {
    outline: none;
    border-color: var(--text-accent);
    box-shadow: 0 0 0 3px rgba(135, 206, 235, 0.2);
    background: rgba(42, 45, 71, 0.95);
}

.form-control-glass::placeholder {
    color: var(--text-secondary);
    opacity: 0.8;
}

/* Enhanced Buttons */
.btn-glass-primary {
    width: 100%;
    padding: 1rem 2rem;
    background: var(--button-primary);
    border: none;
    border-radius: 12px;
    color: white;
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(100, 149, 237, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-glass-primary:hover {
    background: var(--button-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(100, 149, 237, 0.6);
}

.btn-glass-primary:active {
    transform: translateY(0);
    box-shadow: 0 3px 10px rgba(100, 149, 237, 0.4);
}

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

/* Loading Spinner */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
    margin-right: 8px;
}

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

/* Enhanced Cards */
.tool-card {
    background: var(--card-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.5rem;
    margin: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.tool-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--text-accent);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.4),
        0 0 25px rgba(135, 206, 235, 0.3);
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(135, 206, 235, 0.1), transparent);
    transition: left 0.5s ease;
}

.tool-card:hover::before {
    left: 100%;
}

/* Status Indicators */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.success {
    background: rgba(40, 167, 69, 0.2);
    color: #28a745;
    border: 1px solid rgba(40, 167, 69, 0.5);
}

.status-badge.error {
    background: rgba(220, 53, 69, 0.2);
    color: #dc3545;
    border: 1px solid rgba(220, 53, 69, 0.5);
}

.status-badge.warning {
    background: rgba(255, 193, 7, 0.2);
    color: #ffc107;
    border: 1px solid rgba(255, 193, 7, 0.5);
}

.status-badge.info {
    background: rgba(23, 162, 184, 0.2);
    color: #17a2b8;
    border: 1px solid rgba(23, 162, 184, 0.5);
}

/* Progress Bars */
.progress-glass {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    height: 12px;
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
}

.progress-bar-glass {
    height: 100%;
    background: linear-gradient(90deg, #4CAF50, #45a049);
    border-radius: 10px;
    transition: width 0.3s ease;
    position: relative;
    overflow: hidden;
}

.progress-bar-glass::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Responsive Design Enhancements */
@media (max-width: 768px) {
    .glass-card {
        padding: 1.5rem;
        margin: 0.5rem;
    }
    
    .brand-title {
        font-size: 2rem;
    }
    
    .btn-glass-primary {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
    
    .tool-card {
        margin: 0.5rem 0;
        padding: 1.25rem;
    }
}

@media (max-width: 576px) {
    .professional-container {
        width: 95%;
        padding: 1rem 0;
    }
    
    .glass-card {
        padding: 1.25rem;
    }
    
    .brand-title {
        font-size: 1.75rem;
    }
}

/* Enhanced Input Groups */
.input-group-glass {
    display: flex;
    gap: 0.75rem;
    align-items: stretch;
}

.input-group-glass .form-control-glass {
    flex: 1;
}

.input-group-glass .btn-glass-secondary {
    padding: 0 1.5rem;
    background: rgba(108, 117, 125, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-weight: 500;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.input-group-glass .btn-glass-secondary:hover {
    background: rgba(108, 117, 125, 1);
    border-color: var(--text-accent);
}

/* Enhanced Tooltips */
.tooltip-glass {
    position: relative;
    cursor: help;
}

.tooltip-glass::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 1000;
}

.tooltip-glass:hover::after {
    opacity: 1;
}

/* Enhanced Alerts */
.alert-glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid;
    border-radius: 12px;
    padding: 1rem 1.25rem;
    margin: 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-glass.alert-danger {
    border-color: rgba(220, 53, 69, 0.5);
    background: rgba(220, 53, 69, 0.1);
    color: #f8d7da;
}

.alert-glass.alert-success {
    border-color: rgba(40, 167, 69, 0.5);
    background: rgba(40, 167, 69, 0.1);
    color: #d4edda;
}

.alert-glass.alert-warning {
    border-color: rgba(255, 193, 7, 0.5);
    background: rgba(255, 193, 7, 0.1);
    color: #fff3cd;
}

.alert-glass.alert-info {
    border-color: rgba(23, 162, 184, 0.5);
    background: rgba(23, 162, 184, 0.1);
    color: #bee5eb;
}

/* Navigation Enhancements */
.nav-glass {
    background: rgba(26, 29, 41, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand-glass {
    color: var(--text-accent) !important;
    font-weight: 700;
    font-size: 1.25rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.navbar-brand-glass:hover {
    color: var(--text-primary) !important;
    text-shadow: 0 0 10px rgba(135, 206, 235, 0.5);
}

.logout-btn-glass {
    background: rgba(220, 53, 69, 0.8);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border: 1px solid rgba(220, 53, 69, 0.5);
}

.logout-btn-glass:hover {
    background: rgba(220, 53, 69, 1);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(220, 53, 69, 0.4);
}

/* Enhanced Modals */
.modal-glass {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content-glass {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.modal-header-glass {
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem;
}

.modal-body-glass {
    padding: 1.5rem;
}

.modal-footer-glass {
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

/* Enhanced Tables */
.table-glass {
    background: transparent;
    color: var(--text-primary);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.table-glass thead {
    background: rgba(100, 149, 237, 0.2);
}

.table-glass th {
    border: none;
    padding: 1rem;
    font-weight: 600;
    color: var(--text-accent);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.table-glass td {
    border: none;
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    vertical-align: middle;
}

.table-glass tbody tr:hover {
    background: rgba(135, 206, 235, 0.1);
}

/* Enhanced Forms */
.form-section {
    background: var(--card-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    margin: 1.5rem 0;
}

.form-section-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.form-section-header h3 {
    margin: 0;
    color: var(--text-accent);
    font-weight: 600;
}

.form-section-header .form-icon {
    font-size: 1.5rem;
    color: var(--text-accent);
}

/* Enhanced Live Progress Styles */
.live-progress-container {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    margin: 1rem 0;
}

.progress-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    border-color: var(--text-accent);
    background: rgba(255, 255, 255, 0.08);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-accent);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Control Buttons */
.control-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 1.5rem 0;
    flex-wrap: wrap;
}

.btn-control {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    min-width: 120px;
}

.btn-pause {
    background: linear-gradient(135deg, #ffc107, #ff8f00);
    color: #000;
}

.btn-pause:hover {
    background: linear-gradient(135deg, #ffb300, #ff6f00);
    transform: translateY(-2px);
}

.btn-stop {
    background: linear-gradient(135deg, #dc3545, #c82333);
    color: white;
}

.btn-stop:hover {
    background: linear-gradient(135deg, #c82333, #bd2130);
    transform: translateY(-2px);
}

.btn-download {
    background: linear-gradient(135deg, #28a745, #218838);
    color: white;
}

.btn-download:hover {
    background: linear-gradient(135deg, #218838, #1e7e34);
    transform: translateY(-2px);
}

/* Enhanced Log Display */
.log-container {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    max-height: 400px;
    overflow-y: auto;
    font-family: 'Courier New', monospace;
}

.log-entry {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.log-entry:last-child {
    border-bottom: none;
}

.log-entry.success {
    border-left: 3px solid #28a745;
    padding-left: 1rem;
    background: rgba(40, 167, 69, 0.1);
}

.log-entry.error {
    border-left: 3px solid #dc3545;
    padding-left: 1rem;
    background: rgba(220, 53, 69, 0.1);
}

.log-entry.processing {
    border-left: 3px solid #ffc107;
    padding-left: 1rem;
    background: rgba(255, 193, 7, 0.1);
}

/* Enhanced User Activity Styles */
.activity-tab {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.activity-tab.active {
    background: var(--button-primary);
    color: white;
    border-color: transparent;
}

.activity-tab:hover {
    background: rgba(135, 206, 235, 0.2);
    color: var(--text-primary);
    border-color: var(--text-accent);
}

.activity-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    margin: 0.75rem 0;
    transition: all 0.3s ease;
}

.activity-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--text-accent);
}

/* File Upload Styles */
.file-upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.03);
}

.file-upload-area:hover {
    border-color: var(--text-accent);
    background: rgba(135, 206, 235, 0.1);
}

.file-upload-area.dragover {
    border-color: var(--text-accent);
    background: rgba(135, 206, 235, 0.2);
}

/* Enhanced Animation Classes */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.slide-up {
    animation: slideUp 0.5s ease-out;
}

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Enhanced Responsive Grid */
.grid-responsive {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

@media (max-width: 992px) {
    .grid-responsive {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .control-buttons {
        gap: 0.5rem;
    }
    
    .btn-control {
        min-width: 100px;
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }
}

@media (max-width: 576px) {
    .live-progress-container {
        padding: 1.5rem;
    }
    
    .progress-stats {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 0.75rem;
    }
    
    .stat-card {
        padding: 1rem;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
}

/* Tool Card Enhancements */
.tool-icon-wrapper {
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.tool-card:hover .tool-icon-wrapper {
    transform: scale(1.1);
}

.tool-title {
    color: var(--text-accent);
    font-weight: 600;
    margin-bottom: 1rem;
}

.tool-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

.tool-features {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
}

.feature-item {
    display: flex;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.feature-item:last-child {
    margin-bottom: 0;
}

.tool-status {
    text-align: center;
}

/* Enhanced Live Validation Page Styles */
.validation-container {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    margin: 1rem 0;
}

.validation-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.validation-header h2 {
    color: var(--text-accent);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.validation-header p {
    color: var(--text-secondary);
    margin: 0;
}

/* Back Navigation Button */
.back-nav-btn {
    position: fixed;
    top: 20px;
    left: 20px;
    background: var(--button-primary);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 0.75rem 1.25rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(100, 149, 237, 0.4);
}

.back-nav-btn:hover {
    background: var(--button-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(100, 149, 237, 0.6);
}

/* Results Display Enhancements */
.results-section {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 2rem;
}

.results-header {
    display: flex;
    justify-content: between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.results-title {
    color: var(--text-accent);
    font-weight: 600;
    margin: 0;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    margin: 0.5rem 0;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.result-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--text-accent);
}

.result-number {
    font-family: 'Courier New', monospace;
    font-weight: 600;
    color: var(--text-primary);
}

.result-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Enhanced User Activity Page */
.activity-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

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

.activity-header h2 {
    color: var(--text-accent);
    font-weight: 600;
    margin-bottom: 1rem;
}

.activity-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.activity-content {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    min-height: 400px;
}

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--text-accent);
}

/* Live Progress and Control Elements */
.live-progress-container {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    margin: 1rem 0;
}

.progress-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.control-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.btn-control {
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 120px;
    justify-content: center;
}

.btn-pause {
    background: linear-gradient(135deg, #ffc107, #ff8f00);
    color: #000;
}

.btn-pause:hover {
    background: linear-gradient(135deg, #ff8f00, #f57c00);
    transform: translateY(-2px);
}

.btn-stop {
    background: linear-gradient(135deg, #dc3545, #c82333);
    color: white;
}

.btn-stop:hover {
    background: linear-gradient(135deg, #c82333, #bd2130);
    transform: translateY(-2px);
}

.btn-download {
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
}

.btn-download:hover {
    background: linear-gradient(135deg, #20c997, #17a2b8);
    transform: translateY(-2px);
}

.progress-glass {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 25px;
    height: 25px;
    overflow: hidden;
    position: relative;
}

.progress-bar-glass {
    height: 100%;
    background: linear-gradient(90deg, #28a745, #20c997);
    border-radius: 25px;
    transition: width 0.5s ease;
    position: relative;
    overflow: hidden;
}

.progress-bar-glass::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.sending-log {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    max-height: 400px;
    overflow-y: auto;
    margin: 1rem 0;
}

.log-entry {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

.log-entry:last-child {
    border-bottom: none;
}

.log-success {
    color: #28a745;
}

.log-failed {
    color: #dc3545;
}

.log-processing {
    color: #ffc107;
}

.loading-spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--text-secondary);
    border-radius: 50%;
    border-top-color: var(--text-accent);
    animation: spin 1s ease-in-out infinite;
}

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

/* Enhanced Responsive Design */
@media (max-width: 768px) {
    .tool-features {
        padding: 0.75rem;
    }
    
    .feature-item {
        font-size: 0.8rem;
    }
    
    .back-nav-btn {
        position: relative;
        top: auto;
        left: auto;
        margin-bottom: 1rem;
        width: 100%;
    }
    
    .validation-container {
        padding: 1.5rem;
    }
    
    .activity-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .activity-tab {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .tool-card {
        margin: 0.5rem 0;
    }
    
    .tool-description {
        font-size: 0.85rem;
    }
    
    .feature-item {
        font-size: 0.75rem;
    }
}
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    backdrop-filter: blur(15px);
}

.form-control-glass:focus {
    outline: none;
    border-color: var(--text-accent);
    box-shadow: 0 0 0 3px rgba(135, 206, 235, 0.2);
    background: rgba(42, 45, 71, 0.95);
}

.form-control-glass::placeholder {
    color: var(--text-secondary);
    opacity: 0.8;
}

/* Buttons */
.btn-glass-primary {
    width: 100%;
    padding: 1rem 2rem;
    background: var(--button-primary);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-glow);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-glass-primary:hover {
    background: var(--button-hover);
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(135, 206, 235, 0.4);
}

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

.btn-glass-secondary {
    padding: 0.75rem 1.5rem;
    background: rgba(82, 92, 132, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.btn-glass-secondary:hover {
    background: rgba(82, 92, 132, 0.5);
    border-color: var(--text-accent);
}

/* Info Cards */
.info-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 1rem 0;
    backdrop-filter: blur(15px);
    text-align: center;
}

.info-text {
    color: var(--text-secondary);
    font-style: italic;
    font-size: 0.95rem;
}

.info-highlight {
    color: var(--text-accent);
    font-weight: 600;
}

/* Navigation */
.nav-glass {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--border-color);
    padding: 0.75rem 0;
    box-shadow: var(--shadow-glow);
}

.navbar-brand-glass {
    color: var(--text-accent) !important;
    font-weight: 700;
    font-size: 1.3rem;
    text-decoration: none;
    text-shadow: 0 0 10px rgba(135, 206, 235, 0.3);
}

.logout-btn-glass {
    background: linear-gradient(135deg, #f44336, #d32f2f);
    border: none;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.logout-btn-glass:hover {
    background: linear-gradient(135deg, #e53935, #c62828);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(244, 67, 54, 0.3);
}

/* Tool Selection Cards */
.tool-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    border-color: var(--text-accent);
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(135, 206, 235, 0.1), transparent);
    transition: left 0.5s ease;
}

.tool-card:hover::before {
    left: 100%;
}

.tool-icon {
    font-size: 4.5rem;
    color: var(--text-accent);
    margin-bottom: 1.5rem;
    text-shadow: 0 0 20px rgba(135, 206, 235, 0.4);
}

.tool-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    text-shadow: 0 0 10px rgba(232, 234, 246, 0.3);
}

.tool-description {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.4;
    max-width: 250px;
}

/* Back to Tools Button */
.back-to-tools-btn {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    color: var(--text-accent);
    padding: 8px 16px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(135, 206, 235, 0.2);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.back-to-tools-btn:hover {
    color: var(--text-accent);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(135, 206, 235, 0.4);
    border-color: var(--text-accent);
}

/* Viewport Stability Fixes */
html {
    overflow-x: hidden !important;
    width: 100% !important;
    height: 100% !important;
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden !important;
    width: 100% !important;
    min-height: 100vh !important;
    position: relative !important;
    margin: 0 !important;
    padding: 0 !important;
}

.container, .container-fluid {
    overflow-x: hidden !important;
    max-width: 100% !important;
}

.row {
    margin-left: 0 !important;
    margin-right: 0 !important;
    max-width: 100% !important;
}

.col, .col-* {
    padding-left: 12px !important;
    padding-right: 12px !important;
}

/* Prevent horizontal scrolling */
* {
    max-width: 100% !important;
}

/* Fix any animation that might cause shaking */
@keyframes fadeIn {
    from { 
        opacity: 0; 
        transform: translateY(10px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

/* Remove any problematic transforms */
.tool-card:hover {
    transform: translateY(-2px) !important;
}

/* API Selection Styles */
.api-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 0.75rem 0;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(15px);
}

.api-card:hover {
    border-color: var(--text-accent);
    box-shadow: 0 4px 20px rgba(135, 206, 235, 0.2);
    transform: translateX(5px);
}

.api-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.api-details {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Admin Styles */
.admin-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(244, 67, 54, 0.3);
    border-radius: 16px;
    padding: 2rem;
    margin: 1rem 0;
}

.admin-header {
    color: #ff5722;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
    text-shadow: 0 0 15px rgba(255, 87, 34, 0.3);
}

/* Toggle Switches */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(82, 92, 132, 0.5);
    transition: 0.3s;
    border-radius: 26px;
    border: 1px solid var(--border-color);
}

.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 2px;
    bottom: 2px;
    background: white;
    transition: 0.3s;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

input:checked + .slider {
    background: var(--button-primary);
    border-color: var(--text-accent);
}

input:checked + .slider:before {
    transform: translateX(24px);
}

/* Status Indicators */
.status-active {
    background: linear-gradient(135deg, #4caf50, #388e3c);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-inactive {
    background: linear-gradient(135deg, #757575, #616161);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

/* Alerts */
.alert-glass {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    margin: 1rem 0;
    backdrop-filter: blur(15px);
}

.alert-success {
    border-left: 4px solid #4caf50;
    background: rgba(76, 175, 80, 0.1);
}

.alert-danger {
    border-left: 4px solid #f44336;
    background: rgba(244, 67, 54, 0.1);
}

.alert-info {
    border-left: 4px solid var(--text-accent);
    background: rgba(77, 208, 225, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .professional-container {
        width: 95%;
        padding: 1rem 0;
    }
    
    .glass-card {
        padding: 1.5rem;
        margin: 0.5rem 0;
    }
    
    .brand-title {
        font-size: 2rem;
    }
    
    .tool-card {
        padding: 1.5rem;
    }
    
    .tool-icon {
        font-size: 2.5rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* Loading States */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(77, 208, 225, 0.2), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(82, 92, 132, 0.2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--text-accent);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #26c6da;
}