/* Smart Farm IoT Platform — app.css v1.0.0 */
:root{
  --color-primary:#1D9E75;--color-primary-dk:#0F6E56;
  --color-bg:#f8faf9;--color-surface:#ffffff;
  --color-border:#e2e8f0;--color-text:#1a202c;--color-muted:#718096;
  --color-danger:#e53e3e;--color-warning:#d69e2e;--color-info:#3182ce;--color-success:#38a169;
  --radius-sm:6px;--radius-md:10px;--radius-lg:14px;
  --shadow-sm:0 1px 3px rgba(0,0,0,.08);--shadow-md:0 4px 12px rgba(0,0,0,.1);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Noto Sans Thai','Segoe UI',sans-serif;font-size:14px;background:var(--color-bg);color:var(--color-text);line-height:1.6}

/* Announcements */
.announcement{display:flex;align-items:center;gap:10px;padding:10px 16px;font-size:13px;border-bottom:1px solid rgba(0,0,0,.08)}
.announcement--info{background:#ebf8ff;color:#2b6cb0}
.announcement--warning{background:#fffbeb;color:#975a16}
.announcement--danger{background:#fff5f5;color:#c53030}
.announcement__body{flex:1}
.announcement__close{background:none;border:none;cursor:pointer;opacity:.6;font-size:16px;line-height:1}
.announcement__close:hover{opacity:1}
.flash--warning{background:#fffbeb;color:#975a16;padding:10px 16px;font-size:13px;border-bottom:1px solid #f6e05e}

/* Navbar */
.navbar{display:flex;align-items:center;gap:16px;padding:0 20px;height:52px;background:var(--color-surface);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:100}
.navbar__brand{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--color-text);font-weight:600;font-size:15px}
.navbar__ver{font-size:11px;color:var(--color-muted);background:var(--color-bg);padding:2px 6px;border-radius:10px}
.navbar__links{display:flex;gap:4px;flex:1}
.navbar__links a{padding:6px 12px;border-radius:var(--radius-sm);color:var(--color-muted);text-decoration:none;font-size:13px}
.navbar__links a:hover{background:var(--color-bg);color:var(--color-text)}
.navbar__user{display:flex;align-items:center;gap:10px;margin-left:auto}
.navbar__energy{font-size:13px;font-weight:700;color:var(--color-primary)}
.navbar__expiry{font-size:11px;color:var(--color-muted)}
.navbar__avatar{width:28px;height:28px;border-radius:50%;object-fit:cover}
.navbar__logout{font-size:12px;color:var(--color-muted);text-decoration:none}
.navbar__logout:hover{color:var(--color-danger)}

/* Main */
.main-content{padding:20px;max-width:1400px;margin:0 auto}

/* Dashboard */
.dashboard-tabs{display:flex;gap:4px;overflow-x:auto;padding:0 20px;background:var(--color-surface);border-bottom:1px solid var(--color-border)}
.dashboard-tab{padding:10px 16px;border:none;background:none;cursor:pointer;font-size:13px;color:var(--color-muted);border-bottom:2px solid transparent;white-space:nowrap;transition:color .15s}
.dashboard-tab.active,.dashboard-tab:hover{color:var(--color-primary);border-bottom-color:var(--color-primary)}
.dashboard-header{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.dashboard-header h1{font-size:20px;font-weight:600}

/* Widget Grid */
.widget-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:12px;min-height:300px}

/* Widget Card */
.widget-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:14px;overflow:hidden}
.widget-card__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.widget-card__title{font-size:12px;color:var(--color-muted);font-weight:500}
.widget-card__menu{cursor:pointer;opacity:.4;font-size:18px;padding:0 4px;user-select:none}
.widget-card__menu:hover{opacity:1}

/* Widgets */
.widget-value{font-size:32px;font-weight:700;color:var(--color-text)}
.widget-value__unit{font-size:14px;color:var(--color-muted);margin-left:4px}
.widget-led{width:36px;height:36px;border-radius:50%;margin:8px auto;background:var(--color-border)}
.widget-led--on{background:#22c55e;box-shadow:0 0 10px rgba(34,197,94,.5)}
.widget-led--off{background:#d1d5db}
.widget-btn{width:100%;padding:12px;border-radius:var(--radius-md);border:2px solid var(--color-border);background:var(--color-surface);font-size:15px;font-weight:600;cursor:pointer;transition:all .15s}
.widget-btn--on{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}
.widget-btn--off{color:var(--color-muted)}
.widget-btn:active{transform:scale(.97)}

/* Widget Picker */
.widget-picker{position:fixed;top:0;right:0;bottom:0;width:340px;background:var(--color-surface);box-shadow:-4px 0 20px rgba(0,0,0,.12);z-index:200;overflow-y:auto;padding:20px;transform:translateX(100%);transition:transform .25s ease}
.widget-picker.open{transform:translateX(0)}
.widget-picker__cat{font-size:11px;font-weight:600;color:var(--color-muted);text-transform:uppercase;letter-spacing:.04em;margin:16px 0 6px}
.widget-picker-card{border:1px solid var(--color-border);border-radius:var(--radius-md);padding:10px 12px;cursor:pointer;margin-bottom:6px;transition:border-color .15s}
.widget-picker-card:hover{border-color:var(--color-primary);background:rgba(29,158,117,.04)}
.widget-picker-card__name{font-weight:600;font-size:13px;margin-bottom:2px}
.widget-picker-card__desc{font-size:11px;color:var(--color-muted);margin-bottom:4px}

/* Dropdown Menu */
.dropdown-menu{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);min-width:200px;z-index:50;padding:4px 0;box-shadow:var(--shadow-md)}
.dropdown-menu a{display:block;padding:8px 16px;font-size:13px;color:var(--color-text);text-decoration:none;cursor:pointer}
.dropdown-menu a:hover{background:var(--color-bg)}

/* Admin */
.admin-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:24px}
.stat-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:16px;text-align:center}
.stat-card__val{font-size:28px;font-weight:700;color:var(--color-primary)}
.stat-card__lbl{font-size:12px;color:var(--color-muted);margin-top:2px}

/* Table */
.table{width:100%;border-collapse:collapse;font-size:13px}
.table th{padding:10px 12px;text-align:left;font-weight:600;background:var(--color-bg);border-bottom:2px solid var(--color-border)}
.table td{padding:10px 12px;border-bottom:1px solid var(--color-border)}
.table tr:hover td{background:rgba(29,158,117,.03)}

/* Badges */
.badge{font-size:11px;padding:2px 8px;border-radius:10px;font-weight:500;background:#f3f4f6;color:var(--color-muted)}
.badge--success{background:#d4edda;color:#155724}
.badge--danger{background:#f8d7da;color:#721c24}
.badge--warning{background:#fff3cd;color:#856404}
.badge--info{background:#d1ecf1;color:#0c5460}
.badge--farm{background:#d4edda;color:#155724}
.badge--new{background:#f8d7da;color:#721c24}

/* Forms */
.form-group{margin-bottom:14px}
.form-label{display:block;font-size:12px;font-weight:600;color:var(--color-muted);margin-bottom:4px}
.form-control{width:100%;padding:8px 12px;border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:13px;background:var(--color-surface);color:var(--color-text);font-family:inherit}
.form-control:focus{outline:none;border-color:var(--color-primary)}

/* Buttons */
.btn{padding:8px 16px;border-radius:var(--radius-sm);font-size:13px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:all .15s;font-family:inherit}
.btn-primary{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}
.btn-primary:hover{background:var(--color-primary-dk)}
.btn-outline{background:transparent;color:var(--color-text);border-color:var(--color-border)}
.btn-outline:hover{background:var(--color-bg)}
.btn-danger{background:var(--color-danger);color:#fff}
.btn-sm{padding:4px 10px;font-size:12px}

/* Notification toast */
.notification{position:fixed;bottom:20px;right:20px;padding:12px 18px;border-radius:var(--radius-md);font-size:13px;font-weight:500;z-index:9999;animation:fadeIn .2s;box-shadow:var(--shadow-md)}
.notification--success{background:#d4edda;color:#155724}
.notification--danger,.notification--error{background:#f8d7da;color:#721c24}
.notification--warning{background:#fff3cd;color:#856404}
.notification--info{background:#d1ecf1;color:#0c5460}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* Ad / Shopee */
.ad-slot{text-align:center;margin:12px 0;padding:8px}
.shopee-banner{text-align:center;margin:10px 0}

/* Footer */
.footer{text-align:center;padding:16px;font-size:12px;color:var(--color-muted);border-top:1px solid var(--color-border);margin-top:40px}
.footer a{color:var(--color-primary);text-decoration:none}

/* Responsive */
@media(max-width:768px){
  .admin-grid{grid-template-columns:repeat(2,1fr)}
  .navbar__links{display:none}
  .widget-grid{grid-template-columns:repeat(4,1fr)}
  .widget-picker{width:100%}
}

.widget-card__menu {
    position: relative;
    z-index: 10;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    user-select: none;
    font-size: 18px;
    opacity: 0.4;
}
.widget-card__menu:hover {
    opacity: 1;
    background: var(--color-bg);
}