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

:root {
    --primary-color: #5865F2;
    --success-color: #23A55A;
    --danger-color: #F23F43;
    --warning-color: #F0B232;
    --bg-dark: #1e1f22;
    --bg-darker: #111214;
    --bg-light: #2b2d31;
    --text-primary: #f2f3f5;
    --text-secondary: #b9bbbe;
    --border-color: #404249;
    --hover-bg: #35373c;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg-darker);
    color: var(--text-primary);
    line-height: 1.6;
}

.hidden {
    display: none !important;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 8px;
    min-width: 400px;
    max-width: 600px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.modal-content h2 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

/* Header */
.header {
    background: var(--bg-dark);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    position: relative;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Global Upload Progress (na página principal, abaixo do header) */
.global-upload-progress {
    margin: 0 2rem 1rem 2rem;
    padding: 1.5rem;
    background: var(--bg-darker);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.header h1 {
    font-size: 1.5rem;
    color: var(--text-primary);
}

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

/* Buttons */
.btn {
    padding: 0.6rem 1.2rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #4752c4 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #4752c4 0%, var(--primary-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(88, 101, 242, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #1e8e4a 100%);
    color: white;
}

.btn-success:hover {
    background: linear-gradient(135deg, #1e8e4a 0%, var(--success-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(35, 165, 90, 0.4);
}

.btn-secondary {
    background: var(--bg-light);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--hover-bg);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #d7373d 100%);
    color: white;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #d7373d 0%, var(--danger-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(242, 63, 67, 0.4);
}

.btn-small {
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 4px;
}

.btn-icon:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

/* Main Content */
.main-content {
    display: flex;
    height: calc(100vh - 73px);
}

/* Sidebar */
.sidebar {
    width: 300px;
    background: var(--bg-dark);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

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

.sidebar-header h2 {
    font-size: 1.1rem;
    color: var(--text-primary);
}

.file-list {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem;
}

/* Breadcrumb */
.breadcrumb {
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    background: var(--bg-light);
    border-radius: 4px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.25rem;
}

.breadcrumb-item {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

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

.breadcrumb-item.current {
    color: var(--text-primary);
    font-weight: 500;
    cursor: default;
}

.breadcrumb-item.current:hover {
    background: transparent;
}

.breadcrumb-separator {
    color: var(--text-secondary);
    margin: 0 0.25rem;
}

.file-item {
    padding: 0.75rem;
    margin-bottom: 0.25rem;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.2s;
}

.file-item:hover {
    background: var(--hover-bg);
}

.file-item.active {
    background: var(--primary-color);
    color: white;
}

.file-item-name {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    overflow: hidden;
}

.file-item-name i {
    flex-shrink: 0;
}

.file-item-name span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-item-actions {
    display: flex;
    gap: 0.25rem;
    opacity: 0;
    transition: opacity 0.2s;
}

.file-item:hover .file-item-actions {
    opacity: 1;
}

.file-item-actions button {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.file-item-actions button:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.file-size-warning {
    font-size: 0.75rem;
    color: var(--warning-color);
    margin-left: 0.5rem;
    font-weight: 500;
}

.loading {
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
}

/* Editor Area */
.editor-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-darker);
}

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

.editor-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

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

.editor-container {
    flex: 1;
    display: flex;
    flex-direction: column;
}

#codeEditor {
    flex: 1;
    width: 100%;
    padding: 1rem;
    background: var(--bg-darker);
    color: var(--text-primary);
    border: none;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.6;
    resize: none;
    outline: none;
}

.empty-state {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--text-secondary);
    text-align: center;
    padding: 2rem;
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h2 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

/* Drop Zone */
.drop-zone {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(88, 101, 242, 0.1);
    border: 3px dashed var(--primary-color);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 100;
    pointer-events: none;
}

.drop-zone.active {
    background: rgba(88, 101, 242, 0.2);
    border-color: var(--success-color);
}

.drop-zone i {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.drop-zone.active i {
    color: var(--success-color);
}

.drop-zone h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.drop-zone p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.editor-area {
    position: relative;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
}

/* Messages */
.error-message {
    color: var(--danger-color);
    margin-top: 1rem;
    padding: 0.75rem;
    background: rgba(242, 63, 67, 0.1);
    border-radius: 4px;
    display: none;
}

.error-message.show {
    display: block;
}

.success-message {
    color: var(--success-color);
    margin-top: 1rem;
    padding: 0.75rem;
    background: rgba(35, 165, 90, 0.1);
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: space-between;
}

/* Upload Progress - Advanced */
.upload-modal-content {
    min-width: 600px;
    max-width: 800px;
}

.upload-progress-container {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--bg-dark);
    border-radius: 8px;
    position: relative;
}


.progress-info {
    margin-top: 1rem;
}

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

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--bg-darker);
    border-radius: 6px;
}

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

.stat-value {
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1rem;
}

.progress-bar-container {
    position: relative;
    margin: 1rem 0;
    height: 24px;
    background: var(--bg-darker);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
}

.progress-bar {
    position: relative;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    border-radius: 12px;
    overflow: hidden;
}

.progress-fill.animated {
    height: 100%;
    background: linear-gradient(90deg, 
        var(--success-color) 0%, 
        #2dd573 50%, 
        var(--success-color) 100%);
    background-size: 200% 100%;
    animation: progressFlow 2s linear infinite, progressGrow 0.3s ease-out;
    width: 0%;
    position: relative;
    box-shadow: 0 0 10px rgba(35, 165, 90, 0.5);
}

.progress-fill.animated::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.3) 50%, 
        transparent 100%);
    animation: shine 1.5s infinite;
}

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

@keyframes progressFlow {
    0% {
        background-position: 0% 0%;
    }
    100% {
        background-position: 200% 0%;
    }
}

@keyframes progressGrow {
    from {
        width: 0%;
    }
}

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

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

.progress-file-name {
    margin-top: 0.75rem;
    padding: 0.5rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-style: italic;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Upload Progress (legacy) */
.upload-progress {
    margin-top: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

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

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

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

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

/* Auth Tabs */
.auth-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

.auth-tab {
    padding: 0.75rem 1.5rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1rem;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s;
}

.auth-tab:hover {
    color: var(--text-primary);
}

.auth-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* User Info */
.user-info {
    color: var(--text-secondary);
    margin-right: 1rem;
    font-size: 0.9rem;
}

.btn-info {
    background: linear-gradient(135deg, #5865F2 0%, #4752C4 100%);
    color: white;
}

.btn-info:hover {
    background: linear-gradient(135deg, #4752C4 0%, #5865F2 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(88, 101, 242, 0.4);
}

/* Admin Section */
.admin-section {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.admin-section:last-child {
    border-bottom: none;
}

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

/* Token Display */
.token-display {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--bg-dark);
    border-radius: 4px;
}

.token-display code {
    display: block;
    padding: 0.75rem;
    background: var(--bg-darker);
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    word-break: break-all;
    margin: 0.5rem 0;
    color: var(--success-color);
}

/* Tokens List */
.tokens-list {
    max-height: 400px;
    overflow-y: auto;
}

.token-item {
    padding: 1rem;
    background: var(--bg-dark);
    border-radius: 4px;
    margin-bottom: 0.5rem;
    border-left: 4px solid var(--border-color);
}

.token-item.active {
    border-left-color: var(--success-color);
}

.token-item.used {
    border-left-color: var(--text-secondary);
    opacity: 0.7;
}

.token-item.expired {
    border-left-color: var(--warning-color);
}

.token-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.token-code {
    font-family: 'Courier New', monospace;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.token-status {
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: bold;
}

.token-item.active .token-status {
    background: rgba(35, 165, 90, 0.2);
    color: var(--success-color);
}

.token-item.used .token-status {
    background: rgba(185, 187, 190, 0.2);
    color: var(--text-secondary);
}

.token-item.expired .token-status {
    background: rgba(240, 178, 50, 0.2);
    color: var(--warning-color);
}

.token-details {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-top: 0.5rem;
}

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

.btn-small {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
}

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

.btn-danger:hover {
    background: #D83C3E;
}