:root {
    --bg-dark: #121214; --panel-bg: #1c1c1f; --border-color: #2d2d31;
    --text-main: #e0e0e0; --text-dim: #909090; --accent-cyan: #00f2ff;
    --accent-amber: #ffb300; --accent-safe: #00c853; --nav-bg: #18181b;
}
* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
body { background-color: var(--bg-dark); color: var(--text-main); height: 100vh; overflow: hidden; }

/* --- AUTH UI --- */
.auth-wrapper { display: flex; height: 100vh; justify-content: center; align-items: center; background: radial-gradient(circle at center, #1c1c1f 0%, #121214 100%); }
.auth-card { background: var(--panel-bg); border: 1px solid var(--border-color); padding: 40px; border-radius: 8px; width: 400px; box-shadow: 0 10px 30px rgba(0,0,0,0.5); }
.brand-logo { color: var(--accent-safe); font-weight: bold; letter-spacing: 2px; font-size: 1.2rem; }
.badge { background: rgba(0, 200, 83, 0.2); border: 1px solid var(--accent-safe); font-size: 0.7rem; padding: 2px 6px; border-radius: 4px; vertical-align: middle; }

/* --- MACRO LAYOUT --- */
.app-layout { display: flex; flex-direction: column; height: 100vh; }

/* --- TOP WORKSPACE NAV --- */
.top-workspace-nav { display: flex; align-items: center; justify-content: space-between; background: var(--nav-bg); border-bottom: 1px solid var(--border-color); padding: 0 20px; height: 60px; }
.top-brand { color: var(--text-dim); font-size: 0.9rem; letter-spacing: 1px; text-transform: uppercase; }
.workspace-tabs { display: flex; gap: 10px; height: 100%; align-items: flex-end; }
.ws-tab { background: #232328; color: var(--text-dim); border: 1px solid var(--border-color); border-bottom: none; padding: 10px 20px; border-radius: 4px 4px 0 0; cursor: pointer; font-weight: 600; font-size: 0.85rem; letter-spacing: 1px; }
.ws-tab:hover { background: #2a2a30; color: #fff; }
.ws-tab.active { background: rgba(0, 200, 83, 0.1); color: var(--accent-safe); border-color: var(--accent-safe); }
.user-profile { display: flex; align-items: center; gap: 10px; }
.user-id { font-weight: bold; } .user-tier { font-size: 0.7rem; color: var(--accent-cyan); border: 1px solid var(--accent-cyan); padding: 2px 5px; border-radius: 4px; }

/* --- WORKSPACE CONTAINER --- */
.workspace-container { display: flex; flex: 1; overflow: hidden; }

/* --- CONTEXTUAL SIDEBAR --- */
.app-sidebar { width: 280px; background: var(--panel-bg); border-right: 1px solid var(--border-color); display: flex; flex-direction: column; padding: 20px 0; }
.sidebar-header { padding: 0 20px 20px 20px; border-bottom: 1px solid var(--border-color); margin-bottom: 20px; }
.brand-subtitle { font-size: 0.75rem; color: var(--text-dim); margin-bottom: 5px; }
.sidebar-nav { display: flex; flex-direction: column; gap: 5px; padding: 0 15px; flex: 1; overflow-y: auto; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 12px 15px; background: transparent; border: 1px solid transparent; color: var(--text-dim); text-align: left; border-radius: 6px; cursor: pointer; font-size: 0.9rem; }
.nav-item:hover { background: rgba(255,255,255,0.03); color: #fff; }
.nav-item.active { background: #2d2d31; color: var(--text-main); border: 1px solid #404044; }

/* --- MAIN VIEWPORT --- */
.app-main { flex: 1; display: flex; flex-direction: column; background: var(--bg-dark); }
.app-ribbon { padding: 20px 40px; border-bottom: 1px solid var(--border-color); display: flex; align-items: center; }
#current-view-title { font-size: 1.1rem; color: var(--text-dim); letter-spacing: 0.5px; text-transform: uppercase; font-weight: normal; }
.app-viewport { flex: 1; padding: 40px; overflow-y: auto; }

/* --- UTILITIES --- */
input, textarea { width: 100%; padding: 10px; margin-bottom: 15px; background: #000; border: 1px solid var(--border-color); color: #fff; border-radius: 4px; }
button.btn { padding: 10px 15px; border: none; border-radius: 4px; cursor: pointer; font-weight: bold; text-transform: uppercase; font-size: 0.8rem; }
.btn-primary { background: var(--accent-safe); color: #000; }
.btn-outline { background: transparent; border: 1px solid var(--border-color); color: var(--text-main); }
.btn-danger { background: rgba(255, 50, 50, 0.1); border: 1px solid #ff3232; color: #ff3232; }
.hidden { display: none !important; }
.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 5px; }
.status-dot.green { background: var(--accent-safe); box-shadow: 0 0 8px var(--accent-safe); }