:root {
    --primary-color: #1e40af;
    --primary-hover: #1e3a8a;
    --bg-color: #f3f4f6;
    --card-bg: #ffffff;
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --border-color: #e5e7eb;
    --error-color: #dc2626;
    --error-bg: #fef2f2;
    --error-border: #fca5a5;
    --success-color: #16a34a;
    --success-bg: #f0fdf4;
    --success-border: #86efac;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    background-color: var(--bg-color);
    color: var(--text-main);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 1rem;
}

.container {
    background: var(--card-bg);
    padding: 2.5rem 1.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05), 0 4px 10px rgba(0, 0, 0, 0.03);
    width: 100%;
    max-width: 420px;
}

h1 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    text-align: center;
    font-weight: 700;
}

p.subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

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

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-main);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"] {
    width: 100%;
    padding: 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.2s ease-in-out;
    background-color: #f9fafb;
    color: var(--text-main);
}

input:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: #ffffff;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.btn {
    width: 100%;
    padding: 0.875rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease-in-out;
    margin-top: 0.5rem;
}

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

.links {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.9rem;
}

.links a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.links a:hover {
    text-decoration: underline;
}

.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    text-align: center;
    line-height: 1.4;
}

.alert-error {
    background-color: var(--error-bg);
    color: var(--error-color);
    border: 1px solid var(--error-border);
}

.alert-success {
    background-color: var(--success-bg);
    color: var(--success-color);
    border: 1px solid var(--success-border);
}

.main-title {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    background-color: lightblue;
    padding: 0.75rem;
    border-radius: 8px;
    border: 3px solid darkblue;
}

.user-name {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
    padding: 1rem;
    background-color: yellow;
    border-radius: 8px;
}

.portal-name {
    text-align: center;
    color: darkred;
    background-color: yellow;
    margin-bottom: 1.5rem;
    font-weight: bold;
    font-size: 1.1rem;
    padding: 0.6rem;
    border-radius: 8px;
}

.portal-info {
    text-align: justify;
    border: 3px solid red;
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--text-main);
    line-height: 1.5;
    background-color: lightyellow;
}

/* Dashboard Actions */
.action-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.action-card {
    display: flex;
    align-items: center;
    padding: 1rem 1.25rem;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-main);
    transition: all 0.2s ease-in-out;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.action-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.1);
    transform: translateY(-2px);
}

.action-icon {
    font-size: 1.75rem;
    color: var(--primary-color);
    margin-right: 1rem;
}

.action-text {
    font-size: 1.05rem;
    font-weight: 600;
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-muted);
}

.btn-outline:hover {
    background-color: var(--bg-color);
    border-color: var(--text-muted);
}

/* Editor Styles */
.container-wide {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05), 0 4px 10px rgba(0, 0, 0, 0.03);
    width: 100%;
    max-width: 1100px;
}

.editor-layout {
    display: flex;
    gap: 1.5rem;
    margin-top: 1.5rem;
    min-height: 550px;
}

.editor-sidebar {
    flex: 0 0 280px;
    border-right: 1px solid var(--border-color);
    padding-right: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.sidebar-title {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.file-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    overflow-y: auto;
    max-height: 500px;
    padding-right: 0.25rem;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    text-decoration: none;
    color: var(--text-main);
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.file-item:hover {
    background-color: #f8fafc;
    border-color: var(--primary-color);
    transform: translateX(3px);
}

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

.file-item-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.file-icon {
    font-size: 1.25rem;
}

.file-size {
    font-size: 0.75rem;
    padding: 0.15rem 0.4rem;
    background-color: #f1f5f9;
    border-radius: 4px;
    color: var(--text-muted);
}

.file-item.active .file-size {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
}

.editor-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: relative;
}

.editor-header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
}

.active-filename {
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.editor-status {
    font-size: 0.85rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-weight: 600;
}

.status-unsaved {
    background-color: #fef3c7;
    color: #d97706;
}

.status-saved {
    background-color: #dcfce7;
    color: #15803d;
}

.status-saving {
    background-color: #e0f2fe;
    color: #0369a1;
}

.editor-wrapper {
    position: relative;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.code-editor-textarea {
    width: 100%;
    height: 400px;
    font-family: 'Consolas', 'Fira Code', 'Courier New', Courier, monospace;
    font-size: 0.95rem;
    line-height: 1.6;
    padding: 1rem;
    border-radius: 8px;
    background-color: #1e1e1e;
    color: #d4d4d4;
    border: 1px solid #333;
    resize: vertical;
    outline: none;
    tab-size: 4;
    -moz-tab-size: 4;
    white-space: pre;
    overflow-x: auto;
}

.code-editor-textarea:focus {
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.3);
    border-color: var(--primary-color);
}

.editor-footer-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.5rem;
}

.editor-btn-group {
    display: flex;
    gap: 0.75rem;
}

.editor-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    gap: 1rem;
    text-align: center;
}

.editor-empty-icon {
    font-size: 4rem;
    color: var(--border-color);
}

/* Spinner */
.spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 0.8s linear infinite;
    margin-right: 0.5rem;
}

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

@media (max-width: 768px) {
    .editor-layout {
        flex-direction: column;
        min-height: auto;
    }
    .editor-sidebar {
        flex: none;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding-right: 0;
        padding-bottom: 1.5rem;
    }
}