:root {
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --accent: #10b981; /* A more vibrant, modern green */
    --accent-hover: #059669;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --glass-bg: rgba(30, 41, 59, 0.65);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -2px rgba(0, 0, 0, 0.5);
    --transition-speed: 0.3s;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-darker);
    background-image: 
        radial-gradient(circle at top right, rgba(16, 185, 129, 0.08), transparent 40%),
        radial-gradient(circle at bottom left, rgba(30, 41, 59, 0.6), transparent 40%);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
}

html[lang="ar"] body {
    font-family: 'Tajawal', sans-serif;
}

html[dir="rtl"] .dir-flip {
    transform: scaleX(-1);
}

/* Glassmorphism Utilities */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--glass-shadow);
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }
.text-white { color: white; }
.text-center { text-align: center; }
.mt-4 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1.5rem; }
.p-0 { padding: 0 !important; }
.p-4 { padding: 1.5rem; }
.overflow-hidden { overflow: hidden; }
.hidden { display: none !important; }
.w-100 { width: 100%; }

.d-flex { display: flex; }
.justify-between { justify-content: space-between; }
.items-center { align-items: center; }
.gap-2 { gap: 0.5rem; }

/* Buttons */
.btn {
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
}

.btn:active {
    transform: scale(0.98);
}

.primary-btn { 
    background: var(--accent); 
    color: var(--bg-darker); 
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}
.primary-btn:hover { 
    background: var(--accent-hover); 
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.3);
}

.danger-btn { 
    background: rgba(239, 68, 68, 0.1); 
    color: var(--danger); 
    border: 1px solid var(--danger); 
}
.danger-btn:hover { 
    background: var(--danger); 
    color: white; 
    transform: translateY(-2px); 
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.ghost-btn { 
    background: transparent; 
    color: var(--text-main); 
    border: 1px solid var(--glass-border); 
}
.ghost-btn:hover { 
    background: rgba(255,255,255,0.1); 
}

.icon-btn {
    padding: 0.5rem;
    border-radius: 6px;
    font-size: 1rem;
    background: transparent;
    color: var(--text-muted);
    border: none;
}
.icon-btn:hover {
    color: var(--text-main);
    background: rgba(255,255,255,0.1);
}
.danger-text:hover {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
}

/* Topbar Actions */
.topbar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.lang-btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    border-radius: 20px;
}

/* Animations */
.fade-in {
    animation: fadeIn 0.4s ease-out forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Layout */
.app-container {
    display: flex;
    height: 100vh;
    opacity: 0;
    transition: opacity 0.5s ease;
}
.app-container.active {
    opacity: 1;
}

/* Sidebar */
.sidebar {
    width: 280px;
    height: calc(100vh - 40px);
    margin: 20px;
    margin-inline-end: 0; /* Only margin on start side */
    display: flex;
    flex-direction: column;
}

.brand {
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    font-weight: 700;
}

.nav-menu {
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
}

.nav-item {
    padding: 1rem 1.5rem;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all var(--transition-speed) ease;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-item:hover, .nav-item.active {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-main);
}
.nav-item.active {
    border-inline-start: 4px solid var(--accent);
    background: rgba(16, 185, 129, 0.1);
}

.sidebar-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--glass-border);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.topbar {
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(0,0,0,0.3);
    padding: 0.5rem 1.25rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid var(--glass-border);
}

.pulse {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}
.pulse.online { background: var(--accent); box-shadow: 0 0 10px var(--accent); }
.pulse.offline { background: var(--danger); box-shadow: 0 0 10px var(--danger); }
.pulse.waiting { background: #f59e0b; box-shadow: 0 0 10px #f59e0b; }

.content-area {
    flex: 1;
    overflow-y: auto;
    padding-inline-end: 10px;
}

.content-area::-webkit-scrollbar { width: 6px; }
.content-area::-webkit-scrollbar-track { background: transparent; }
.content-area::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 10px; }
.content-area::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.3); }

/* Sections */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

/* Connection Card */
.connection-card {
    max-width: 500px;
    margin: 40px auto;
    padding: 3rem;
}

.qr-wrapper {
    background: white;
    padding: 1rem;
    border-radius: 12px;
    display: inline-block;
    margin-bottom: 1.5rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.qr-placeholder {
    width: 264px;
    height: 264px;
    background: #f8fafc;
    border: 2px dashed #cbd5e1;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #64748b;
    gap: 1rem;
}

.qr-icon { font-size: 3rem; color: #cbd5e1; }

/* Forms & Inputs */
.samurai-input {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-speed) ease;
}
.samurai-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
}

/* Toggle Switch */
.toggle-switch {
    display: flex;
    align-items: center;
    cursor: pointer;
    gap: 1rem;
}
.toggle-switch input { display: none; }
.slider {
    position: relative;
    width: 48px;
    height: 24px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    transition: .4s;
    flex-shrink: 0;
}
.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px; /* Changed to left physically since slider doesn't need to flip directionally usually, but we can do it */
    bottom: 3px;
    background-color: var(--text-muted);
    border-radius: 50%;
    transition: .4s;
}
html[dir="rtl"] .slider:before {
    left: auto;
    right: 3px;
}
input:checked + .slider { background-color: var(--accent); }
input:checked + .slider:before {
    transform: translateX(24px);
    background-color: var(--bg-darker);
}
html[dir="rtl"] input:checked + .slider:before {
    transform: translateX(-24px);
}

/* Settings Form Grid */
.settings-panel { padding: 2.5rem; }
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-group.full-width { grid-column: 1 / -1; }
.form-group label:not(.toggle-switch) { color: var(--text-muted); font-size: 0.95rem; font-weight: 500; }

/* Tables */
.samurai-table {
    width: 100%;
    border-collapse: collapse;
}
.samurai-table th {
    background: rgba(0, 0, 0, 0.3);
    padding: 1.25rem 1rem;
    text-align: start; /* Use logical text-align */
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.95rem;
}
.samurai-table td {
    padding: 1.25rem 1rem;
    border-bottom: 1px solid var(--glass-border);
    vertical-align: middle;
}
.samurai-table tr:last-child td { border-bottom: none; }
.samurai-table tr:hover { background: rgba(255, 255, 255, 0.04); }

/* Tasks Grid */
.tasks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}
.task-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-inline-start: 4px solid var(--accent);
    padding: 1.5rem;
    border-radius: 12px;
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}
.task-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.4);
}
.task-card.priority-high { border-inline-start-color: var(--danger); }
.task-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 1rem; }
.task-title { font-weight: 600; font-size: 1.1rem; line-height: 1.4; }
.task-badge {
    background: rgba(255,255,255,0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    white-space: nowrap;
    margin-inline-start: 1rem;
}
.task-actions {
    display: flex;
    gap: 0.25rem;
}

.summary-card:hover {
    background: rgba(255,255,255,0.03);
}

/* Login Overlay */
.overlay {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: var(--bg-darker);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}
.overlay.active {
    display: flex;
}
.login-box {
    padding: 3.5rem;
    width: 100%;
    max-width: 420px;
    text-align: center;
}
.login-box .logo { font-size: 2.5rem; margin-bottom: 1.5rem; color: var(--accent); }
.login-box p { color: var(--text-muted); margin-bottom: 2rem; }
.input-group {
    position: relative;
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
}
.input-group i {
    position: absolute;
    inset-inline-start: 1rem; /* Logical property */
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}
.input-group input {
    width: 100%;
    padding: 1rem;
    padding-inline-start: 2.75rem;
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: white;
    font-family: inherit;
    transition: all var(--transition-speed) ease;
}
.input-group input:focus { outline: none; border-color: var(--accent); background: rgba(0,0,0,0.5); }
.error-text { color: var(--danger); margin-top: 1.5rem; font-size: 0.9rem; font-weight: 500; }

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    inset-inline-end: 24px; /* Changed from left to end for logical flow */
    background: var(--bg-dark);
    border: 1px solid var(--glass-border);
    border-inline-start: 4px solid var(--accent);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 9999;
    font-weight: 500;
}
.toast.show {
    transform: translateY(0);
    opacity: 1;
}