:root {
    --bg-primary: #0b0f19;
    --bg-secondary: #111827;
    --bg-tertiary: #1f2937;
    --bg-card: #151d30;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --accent: #38bdf8;
    --accent-hover: #0ea5e9;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --font-family: 'Outfit', 'Inter', sans-serif;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-main);
    font-family: var(--font-family);
    overflow-x: hidden;
}

/* TOP LOADING BAR (YOUTUBE STYLE) */
#top-loading-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), #60a5fa);
    width: 0%;
    z-index: 9999;
    transition: width 0.2s ease, opacity 0.5s ease;
    box-shadow: 0 0 10px var(--accent);
}

/* APP LAYOUT */
#app {
    display: flex;
    min-height: 100vh;
}

/* SIDEBAR */
aside {
    width: 260px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--bg-tertiary);
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    flex-shrink: 0;
}

.brand-section {
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--bg-tertiary);
    margin-bottom: 1.5rem;
}

.brand-name {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: 1px;
}

.nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-links a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--text-main);
    background-color: var(--bg-tertiary);
}

.nav-links a.active {
    border-left: 3px solid var(--accent);
}

/* MAIN CONTENT AREA */
main {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-primary);
}

header {
    height: 70px;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
}

.page-title {
    font-size: 1.25rem;
    font-weight: 700;
}

.user-dropdown {
    position: relative;
    cursor: pointer;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.content-body {
    padding: 2rem;
    flex-grow: 1;
    overflow-y: auto;
}

/* CARDS */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--bg-tertiary);
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-main);
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    font-weight: 550;
    border-radius: 0.5rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background-color: var(--accent);
    color: #0b0f19;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-main);
}

.btn-secondary:hover {
    background-color: #374151;
}

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

.btn-danger:hover {
    filter: brightness(0.9);
}

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

.btn-success:hover {
    filter: brightness(0.9);
}

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

.server-card {
    background-color: var(--bg-card);
    border-radius: 0.75rem;
    padding: 1.5rem;
    border-left: 5px solid var(--danger);
    cursor: pointer;
    transition: var(--transition);
}

.server-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
}

.server-card.status-online {
    border-left-color: var(--success);
}

.server-card.status-starting {
    border-left-color: var(--warning);
}

.server-card.status-offline {
    border-left-color: var(--danger);
}

.server-info-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.server-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-weight: 700;
    text-transform: uppercase;
}

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

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

.server-card.status-offline .server-badge {
    background-color: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

.server-details-row {
    display: flex;
    justify-content: space-between;
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* STATS ROW (DASHBOARD) */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.stat-box {
    background-color: var(--bg-card);
    border: 1px solid var(--bg-tertiary);
    border-radius: 0.75rem;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
}

/* CONSOLE SCREEN */
.console-container {
    background-color: #05070c;
    border-radius: 0.5rem;
    padding: 1rem;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
    height: 400px;
    overflow-y: auto;
    border: 1px solid var(--bg-tertiary);
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
}

.console-line {
    margin-bottom: 0.25rem;
    white-space: pre-wrap;
    word-break: break-all;
}

.console-input-row {
    display: flex;
    gap: 0.5rem;
}

.console-input {
    flex-grow: 1;
    background-color: #05070c;
    border: 1px solid var(--bg-tertiary);
    border-radius: 0.5rem;
    padding: 0.75rem;
    color: white;
    font-family: inherit;
    outline: none;
}

.console-input:focus {
    border-color: var(--accent);
}

/* SPINNING LOADER */
.loader {
    width: 2.5rem;
    height: 2.5rem;
    border: 3px solid rgba(56, 189, 248, 0.2);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

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

/* FILE EXPLORER */
.file-list {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--bg-tertiary);
    border-radius: 0.5rem;
    overflow: hidden;
}

.file-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--bg-tertiary);
    background-color: var(--bg-card);
    transition: var(--transition);
}

.file-row:hover {
    background-color: var(--bg-tertiary);
}

.file-row:last-child {
    border-bottom: none;
}

.file-name-col {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    flex-grow: 1;
}

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

.file-editor-textarea {
    width: 100%;
    height: 450px;
    background-color: #05070c;
    color: white;
    font-family: 'Courier New', Courier, monospace;
    padding: 1rem;
    border-radius: 0.5rem;
    border: 1px solid var(--bg-tertiary);
    resize: vertical;
    outline: none;
}

.file-editor-textarea:focus {
    border-color: var(--accent);
}

/* LOGIN / REGISTER CONTAINER */
.auth-container {
    max-width: 420px;
    width: 100%;
    margin: 5rem auto;
    padding: 2.5rem;
    background-color: var(--bg-card);
    border-radius: 1rem;
    border: 1px solid var(--bg-tertiary);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
}

.auth-title {
    text-align: center;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    background-color: var(--bg-primary);
    border: 1px solid var(--bg-tertiary);
    border-radius: 0.5rem;
    padding: 0.75rem;
    color: white;
    outline: none;
    transition: var(--transition);
}

.form-input:focus {
    border-color: var(--accent);
}

.auth-switch {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.auth-switch a {
    color: var(--accent);
    text-decoration: none;
    cursor: pointer;
}

.auth-switch a:hover {
    text-decoration: underline;
}

/* TOAST NOTIFICATION SYSTEM */
.toast-container {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    pointer-events: none;
}

.toast {
    background-color: var(--danger);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    pointer-events: auto;
    animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    min-width: 300px;
    max-width: 450px;
}

.toast.toast-success {
    background-color: var(--success);
}

@keyframes slideIn {
    from {
        transform: translateX(100%) translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateX(0) translateY(0);
        opacity: 1;
    }
}

.toast-close {
    background: none;
    border: none;
    color: white;
    font-weight: 700;
    cursor: pointer;
    font-size: 1rem;
    opacity: 0.8;
}

.toast-close:hover {
    opacity: 1;
}

/* ADMIN PANEL STYLING */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

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

.admin-table th {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
}

.admin-table tr:hover td {
    background-color: rgba(255, 255, 255, 0.02);
}

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background-color: var(--bg-card);
    border: 1px solid var(--bg-tertiary);
    border-radius: 1rem;
    padding: 2rem;
    max-width: 500px;
    width: 100%;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.permissions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.75rem;
    margin: 1rem 0;
}

.perm-checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    cursor: pointer;
    color: var(--text-muted);
}

.perm-checkbox-label:hover {
    color: var(--text-main);
}