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

:root {
    --primary-color: #6366f1; /* Indigo */
    --primary-dark: #4f46e5;
    --secondary-color: #8b5cf6; /* Purple */
    --background-dark: #000000; /* Czarne tło */
    --background-card: #0a0a0a; /* Prawie czarne karty */
    --background-hover: #1a1a1a; /* Hover - lekko jaśniejsze */
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0; /* Szary tekst */
    --success-color: #10b981; /* Green - zachowane */
    --danger-color: #ef4444; /* Red - zachowane */
    --warning-color: #f59e0b; /* Amber - zachowane */
    --border-color: #2a2a2a; /* Ciemne bordery */
    --gradient-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --neon-green: #39ff14;
    --dark-green: #0d4f0d;
    --silver: #c0c0c0;
}

/* Login Screen Styles */
.login-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000000;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.login-container {
    background: var(--background-card);
    border-radius: 16px;
    padding: 3rem;
    width: 100%;
    max-width: 450px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    text-align: center;
}

.login-logo {
    display: flex;
    justify-content: center;
    margin-bottom: 1rem;
}

.login-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-subtitle {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.login-input {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--background-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.2s;
}

.login-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.login-btn {
    width: 100%;
    padding: 0.875rem 1.5rem;
    background: var(--gradient-1);
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}

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

.login-error {
    color: var(--danger-color);
    font-size: 0.875rem;
    text-align: center;
    padding: 0.5rem;
    background: rgba(239, 68, 68, 0.1);
    border-radius: 6px;
    margin-top: 0.5rem;
}

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

.dashboard-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--background-card);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-icon {
    width: 32px;
    height: 32px;
    stroke: var(--primary-color);
}

.logo-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-nav {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: 10px;
    transition: all 0.3s;
    text-align: left;
}

.nav-item svg {
    width: 20px;
    height: 20px;
}

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

.nav-item.active {
    background: var(--gradient-1);
    color: white;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 2rem;
}

.header {
    margin-bottom: 2rem;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
}

.content-section {
    display: none;
}

.content-section.active {
    display: block;
}

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

.section-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--gradient-1);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

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

/* Codes Grid */
.codes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.code-card {
    background: var(--background-card);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 1.5rem;
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
}

.code-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(99, 102, 241, 0.2);
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.code-pin {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'Courier New', monospace;
    letter-spacing: 2px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.code-status {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.code-status.pending {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning-color);
}

.code-status.completed {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.code-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.code-info-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
}

.code-info-label {
    color: var(--text-secondary);
}

.code-info-value {
    color: var(--text-primary);
    font-weight: 500;
}

.code-actions {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 0.5rem;
}

.btn-secondary {
    flex: 1;
    padding: 0.5rem;
    background: var(--background-hover);
    color: var(--text-primary);
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-secondary:hover {
    background: var(--border-color);
}

.btn-danger {
    flex: 1;
    padding: 0.5rem;
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger-color);
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.3);
}

/* Link Generator */
.link-generator {
    margin-bottom: 3rem;
}

.link-card {
    background: var(--background-card);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 2rem;
}

.upload-section {
    margin-bottom: 1.5rem;
}

.upload-section label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.file-upload-area {
    position: relative;
}

.upload-placeholder {
    border: 2px dashed var(--border-color);
    border-radius: 10px;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    background: var(--background-hover);
}

.upload-placeholder:hover {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
}

.upload-placeholder svg {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
    stroke: var(--text-secondary);
}

.upload-placeholder p {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.upload-hint {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.uploaded-file {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--background-hover);
    border: 1px solid var(--border-color);
    border-radius: 10px;
}

.file-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

.file-info svg {
    width: 32px;
    height: 32px;
    stroke: var(--primary-color);
}

.file-name {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.file-size {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.btn-remove {
    padding: 0.5rem 1rem;
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger-color);
    border: none;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-remove:hover {
    background: rgba(239, 68, 68, 0.3);
}

#uploadStatus {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: 8px;
    font-size: 0.9rem;
}

#uploadStatus.success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

#uploadStatus.error {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger-color);
}

#uploadStatus.info {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-color);
}

.link-info {
    margin-bottom: 1.5rem;
}

.link-info label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.input-field {
    width: 100%;
    padding: 0.75rem;
    background: var(--background-hover);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
}

.input-field:focus {
    outline: none;
    border-color: var(--primary-color);
}

select.input-field {
    cursor: pointer;
}

.link-status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.link-status-badge.pending {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning-color);
}

.link-status-badge.completed {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.status-badge.threat-detected {
    background: rgba(239, 68, 68, 0.2) !important;
    color: #ef4444 !important;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.link-display {
    margin-top: 1.5rem;
}

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

.link-box {
    display: flex;
    gap: 0.5rem;
}

.link-input {
    flex: 1;
    padding: 0.75rem;
    background: var(--background-hover);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: 'Courier New', monospace;
}

.btn-copy {
    padding: 0.75rem 1.5rem;
    background: var(--gradient-1);
    color: white;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: transform 0.2s;
}

.btn-copy:hover {
    transform: translateY(-2px);
}

.btn-copy svg {
    width: 18px;
    height: 18px;
}

/* Links List */
.links-list {
    margin-top: 3rem;
}

.links-list h3 {
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.link-item {
    background: var(--background-card);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 1.5rem;
}

.link-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.link-item-name {
    font-weight: 600;
    color: var(--text-primary);
}

.link-item-date {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.link-item-url {
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    color: var(--text-secondary);
    word-break: break-all;
    margin-bottom: 1rem;
}

.link-item-actions {
    display: flex;
    gap: 0.5rem;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 2rem;
}

.modal-content {
    background: var(--background-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

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

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
    transition: color 0.3s;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
}

.scan-result {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--background-hover);
    border-radius: 10px;
}

.scan-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.scan-result-status {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.scan-result-status.clean {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.scan-result-status.threat {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger-color);
}

.scan-result-details {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.scan-detail-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem;
    background: var(--background-dark);
    border-radius: 8px;
}

.scan-detail-label {
    color: var(--text-secondary);
}

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

.scan-threats {
    margin-top: 1rem;
}

.scan-threats h4 {
    margin-bottom: 0.5rem;
    color: var(--danger-color);
}

.threat-item {
    padding: 0.75rem;
    background: rgba(239, 68, 68, 0.1);
    border-left: 3px solid var(--danger-color);
    border-radius: 5px;
    margin-bottom: 0.5rem;
}

.threat-item-name {
    font-weight: 600;
    color: var(--danger-color);
    margin-bottom: 0.25rem;
}

.threat-item-path {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
    margin-bottom: 0.25rem;
}

.threat-item-date {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 80px;
    }

    .sidebar .logo-text,
    .sidebar .nav-item span {
        display: none;
    }

    .main-content {
        margin-left: 80px;
        padding: 1rem;
    }

    .codes-grid,
    .links-grid {
        grid-template-columns: 1fr;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}