@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
    --primary: #0284c7;
    --primary-light: #e0f2fe;
    --navbar-bg: #090e17; 
    --navbar-text: #94a3b8;
    --navbar-active: #ffffff;
    --bg-main: #f8fafc;
    --card-bg: #ffffff;
    --text-dark: #0f172a;
    --text-muted: #64748b;
    --border: #e2e8f0;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Plus Jakarta Sans', sans-serif; }
body { background-color: var(--bg-main); color: var(--text-dark); overflow-x: hidden; }
a { text-decoration: none; }

/* ---------------------------------
   Full Screen Loader
--------------------------------- */
.page-loader {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(248, 250, 252, 0.95); backdrop-filter: blur(10px);
    z-index: 9999; display: flex; justify-content: center; align-items: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}
.page-loader.hidden { opacity: 0; visibility: hidden; }
.spinner {
    width: 80px; height: 80px; border: 6px solid var(--border);
    border-top-color: var(--primary); border-radius: 50%;
    animation: spin 1s linear infinite; margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------------------------------
   Layout & Top Navigation
--------------------------------- */
.layout-wrapper { display: flex; flex-direction: column; min-height: 100vh; }

.top-navbar {
    position: sticky; top: 0; left: 0; width: 100%;
    background-color: var(--navbar-bg);
    display: flex; justify-content: space-between; align-items: center;
    padding: 1.2rem 3rem; z-index: 50; box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.navbar-left { display: flex; align-items: center; gap: 1rem; }
.brand-logo { width: 100px; height: 100px; object-fit: contain; }

.nav-menu { flex: 1; display: flex; justify-content: center; gap: 0.8rem; }
.nav-item {
    padding: 0.6rem 1rem; border-radius: 6px; cursor: pointer;
    color: var(--navbar-text); display: flex; align-items: center; gap: 8px; font-weight: 500;
    transition: 0.2s; font-size: 0.95rem;
}
.nav-item:hover { color: var(--navbar-active); background: rgba(255,255,255,0.05); }
.nav-item.active { background: var(--primary); color: white; }

.navbar-right { display: flex; align-items: center; gap: 1rem; }
.logout-btn { color: #ef4444; padding: 0.6rem; }
.logout-btn:hover { background: rgba(239, 68, 68, 0.1); color: #ef4444; }

/* ---------------------------------
   Main Content & UI Utilities
--------------------------------- */
.main-content { padding: 2rem; max-width: 1500px; margin: 0 auto; width: 100%;}
.workspace-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 2rem; }

.flex-col { display: flex; flex-direction: column; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.mb-2 { margin-bottom: 0.5rem; }
.mr-2 { margin-right: 0.5rem; }
.ml-2 { margin-left: 0.5rem; }
.mx-2 { margin-left: 0.5rem; margin-right: 0.5rem; }
.mt-base { margin-top: 1.5rem; }
.mb-base { margin-bottom: 1.5rem; }
.text-primary { color: var(--primary); }
.text-muted { color: var(--text-muted); }
.text-dark { color: var(--text-dark); }
.text-danger { color: #ef4444; }

.bento-card { 
    background: var(--card-bg); padding: 1.5rem; border: 1px solid var(--border);
    border-radius: 12px; box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1);
}

/* Buttons & Inputs */
.btn { padding: 0.6rem 1.2rem; border-radius: 6px; font-weight: 600; cursor: pointer; border: none; font-size: 0.9rem; transition: 0.2s; display: inline-flex; align-items: center; justify-content: center;}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: #0369a1; }
.btn-outline { background: white; border: 1px solid var(--border); color: var(--text-dark); }
.btn-outline:hover { background: var(--bg-main); }
.btn-danger { background: #ef4444; color: white; }
.btn-danger:hover { background: #dc2626; }
.btn-sm { padding: 0.4rem 0.8rem; font-size: 0.85rem;}
.btn-full { width: 100%; }

.input-group { display: flex; flex-direction: column; gap: 0.4rem; }
.input-group label { font-size: 0.8rem; font-weight: 600; color: var(--text-dark); }
input { padding: 0.5rem; border: 1px solid var(--border); border-radius: 6px; width: 100%; outline: none; transition: 0.2s; font-family: inherit;}
input:focus { border-color: var(--primary); box-shadow: 0 0 0 2px var(--primary-light);}

/* Custom Select Dropdown for Engine */
.custom-select {
    padding: 0.5rem; border: 1px solid var(--border); border-radius: 6px; width: 100%; 
    outline: none; transition: 0.2s; font-family: inherit; background-color: white; font-size: 0.85rem;
}
.custom-select:focus { border-color: var(--primary); box-shadow: 0 0 0 2px var(--primary-light);}

/* ---------------------------------
   Task Log Table Styles
--------------------------------- */
.massive-scale { animation: slideUpFade 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
@keyframes slideUpFade { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }

.table-controls {
    display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem;
    padding-bottom: 1.5rem; border-bottom: 1px solid var(--border);
}

.filter-group { display: flex; align-items: center; gap: 0.5rem; }
.filter-btn { background: transparent; border: 1px solid transparent; color: var(--text-muted); padding: 0.5rem 1rem;}
.filter-btn:hover { background: var(--bg-main); color: var(--text-dark); }
.filter-btn.active { background: var(--bg-main); color: var(--text-dark); border-color: var(--border); font-weight: 700;}

.search-box { position: relative; width: 300px; }
.search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-muted); }
.search-box input { padding-left: 2.5rem; background-color: var(--bg-main); border-color: transparent; }
.search-box input:focus { background-color: white; border-color: var(--primary); }

.table-responsive { width: 100%; overflow-x: auto; min-height: 200px;}
.data-table { width: 100%; border-collapse: collapse; min-width: 900px;}
.data-table th { text-align: left; padding: 1.2rem 1rem; border-bottom: 2px solid var(--border); color: var(--text-muted); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.5px;}
.data-table td { padding: 1.2rem 1rem; border-bottom: 1px solid var(--border); font-size: 0.95rem; vertical-align: middle;}
.data-table tbody tr { transition: background-color 0.2s; }
.data-table tbody tr:hover { background-color: #f8fafc; }

.task-id { font-family: monospace; font-weight: 600; color: var(--text-muted); }
.project-name { font-weight: 700; color: var(--text-dark); }
.date-time { color: var(--text-muted); font-size: 0.85rem; }

.badge { padding: 5px 12px; border-radius: 20px; font-size: 0.75rem; font-weight: 700; white-space: nowrap; display: inline-block; text-transform: uppercase; letter-spacing: 0.5px;}
.badge.success { background: #d1fae5; color: #065f46; border: 1px solid #34d399;}
.badge.warning { background: #fef3c7; color: #92400e; border: 1px solid #fbbf24;}
.badge.danger { background: #fee2e2; color: #b91c1c; border: 1px solid #f87171;}

/* ---------------------------------
   Simulator Panel
--------------------------------- */
.simulator-panel {
    position: fixed; top: 0; right: -450px; width: 450px; height: 100vh;
    background: white; border-left: 1px solid var(--border); box-shadow: -20px 0 40px rgba(0,0,0,0.1);
    z-index: 1000; transition: right 0.3s ease; display: flex; flex-direction: column;
}
.simulator-panel.open { right: 0; }
.sim-header { background: var(--navbar-bg); color: white; padding: 1.5rem; display: flex; justify-content: space-between; border-bottom: 1px solid var(--border);}
.sim-content { padding: 1.5rem; overflow-y: auto; }
.sim-section { color: var(--primary); margin-bottom: 1rem; margin-top: 1rem; border-bottom: 1px solid var(--border); padding-bottom: 0.5rem;}
.grid-2-inputs { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem;}
.grid-2x2-inputs { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; }
.project-sim-block { background: var(--bg-main); padding: 1rem; border-radius: 8px; border: 1px solid var(--border); margin-bottom: 1rem; animation: slideUpFade 0.2s;}
.project-sim-block strong { display: block; font-size: 0.85rem; color: var(--text-muted); text-transform: uppercase;}
.close-btn { background: none; border: none; color: white; cursor: pointer; font-size: 1.2rem; }
.btn-remove-slot { background: none; border: none; color: #ef4444; cursor: pointer; padding: 0.2rem; transition: 0.2s; border-radius: 4px;}
.btn-remove-slot:hover { background: rgba(239, 68, 68, 0.1); }
.sim-desc { color: var(--text-muted); font-size: 0.8rem; line-height: 1.4; }
.alert-box { background: #d1fae5; color: #065f46; padding: 1rem; border-radius: 6px; font-size: 0.85rem; border: 1px solid #34d399; }

/* Responsive */
@media (max-width: 1024px) {
    .table-controls { flex-direction: column; align-items: stretch; }
    .search-box { width: 100%; }
}