.btn{font-family:var(--font-body);font-size:14px;font-weight:500;padding:14px 22px;border:1px solid transparent;display:inline-flex;align-items:center;gap:10px;letter-spacing:.01em;border-radius:2px;cursor:pointer;transition:background var(--dur-fast) var(--ease-sharp),color var(--dur-fast) var(--ease-sharp),border-color var(--dur-fast) var(--ease-sharp),box-shadow var(--dur-fast) var(--ease-sharp)}.btn--primary{background:var(--db-neon);color:var(--db-ink);border-color:var(--db-neon);font-weight:600}.btn--primary:hover{background:var(--db-lime);border-color:var(--db-lime);box-shadow:var(--glow-neon-md)}.btn--primary:active{background:var(--db-acid);border-color:var(--db-acid)}.btn:disabled{opacity:.6;cursor:not-allowed}.portal-login{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.portal-login__card{width:100%;max-width:380px;background:var(--bg-elevated);border:1px solid var(--border);padding:40px;transition:border-color var(--dur-base) var(--ease-sharp),box-shadow var(--dur-base) var(--ease-sharp)}.portal-login__card:hover{border-color:var(--db-steel);box-shadow:var(--glow-neon-sm)}.portal-login__brand{display:flex;align-items:center;gap:10px;margin-bottom:32px}.portal-login__brand img{width:22px;height:22px}.portal-login__brand span{font-size:18px}.portal-login__brand span,.portal-login__title{font-family:var(--font-display);font-weight:700}.portal-login__title{font-size:24px;margin:0 0 8px}.portal-login__sub{color:var(--fg3);font-size:14px;margin:0 0 28px}.portal-field{display:flex;flex-direction:column;gap:6px;margin-bottom:18px}.portal-field label{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--fg3)}.portal-field input{background:var(--bg-panel);border:1px solid var(--border);color:var(--fg1);padding:12px 14px;font-size:15px;font-family:var(--font-body);transition:border-color var(--dur-fast) var(--ease-sharp)}.portal-field input:hover{border-color:var(--db-steel)}.portal-field input:focus{outline:none;border-color:var(--accent)}.portal-error{color:var(--db-error);font-size:13px;margin:0 0 16px}.portal-login__submit{width:100%;justify-content:center;padding:14px 18px}.portal-shell{min-height:100vh;display:flex}.portal-sidebar{width:220px;flex-shrink:0;background:var(--bg-elevated);border-right:1px solid var(--border);padding:24px 20px;display:flex;flex-direction:column}.portal-sidebar__brand{display:flex;align-items:center;gap:8px;margin-bottom:40px}.portal-sidebar__brand img{width:20px;height:20px}.portal-sidebar__brand span{font-family:var(--font-display);font-weight:700;font-size:16px}.portal-sidebar__client{font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--fg3);margin-bottom:24px}.portal-sidebar__logout{margin-top:auto;background:none;border:1px solid var(--border);color:var(--fg2);padding:10px 14px;font-size:13px;cursor:pointer;font-family:var(--font-body);transition:border-color var(--dur-fast) var(--ease-sharp),color var(--dur-fast) var(--ease-sharp),box-shadow var(--dur-fast) var(--ease-sharp)}.portal-sidebar__logout:hover{border-color:var(--accent);color:var(--accent);box-shadow:var(--glow-neon-sm)}.portal-main{flex:1 1;padding:40px;min-width:0}.portal-topbar{display:none;align-items:center;justify-content:space-between;padding:14px 20px;background:var(--bg-elevated);border-bottom:1px solid var(--border);position:-webkit-sticky;position:sticky;top:0;z-index:50}.portal-sidebar__hamburger{display:flex;flex-direction:column;justify-content:center;gap:5px;width:36px;height:36px;padding:4px;background:transparent;border:none;cursor:pointer}.portal-sidebar__hamburger span{display:block;width:100%;height:1.5px;background:var(--fg1);transition:transform var(--dur-fast) var(--ease-sharp),opacity var(--dur-fast) var(--ease-sharp);transform-origin:center}.portal-sidebar__hamburger.is-open span:first-child{transform:translateY(6.5px) rotate(45deg)}.portal-sidebar__hamburger.is-open span:nth-child(2){opacity:0}.portal-sidebar__hamburger.is-open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}.portal-sidebar-drawer{position:fixed;top:0;left:0;bottom:0;width:260px;z-index:60;background:var(--bg-elevated);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:24px 20px;transform:translateX(-100%);transition:transform var(--dur-base) var(--ease-sharp)}.portal-sidebar-drawer.is-open{transform:translateX(0)}.portal-sidebar-overlay{position:fixed;inset:0;z-index:55;background:rgba(5,8,15,.6)}@media (max-width:900px){.portal-sidebar{display:none}.portal-topbar{display:flex}.portal-main{padding:24px 16px}}@media (min-width:901px){.portal-sidebar-drawer,.portal-sidebar-overlay{display:none}}.portal-daterange-picker{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px}.portal-daterange-picker__option{font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;padding:8px 14px;border:1px solid var(--border);background:transparent;color:var(--fg2);cursor:pointer;transition:border-color var(--dur-fast) var(--ease-sharp),color var(--dur-fast) var(--ease-sharp)}.portal-daterange-picker__option:hover{border-color:var(--db-steel);color:var(--fg1)}.portal-daterange-picker__option.is-active{border-color:var(--accent);color:var(--accent);background:var(--db-neon-dim)}.portal-stats-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:16px;gap:16px;margin-bottom:28px}.portal-stat-card{background:var(--bg-elevated);border:1px solid var(--border);padding:20px 22px}.portal-stat-card__label{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--fg3);margin-bottom:10px}.portal-stat-card__value{font-family:var(--font-display);font-size:30px;font-weight:700;color:var(--fg1);margin-bottom:6px}.portal-stat-card__delta{font-family:var(--font-mono);font-size:12px}.portal-stat-card__delta.is-up{color:var(--accent)}.portal-stat-card__delta.is-down{color:var(--db-error)}.portal-stat-card__delta.is-flat{color:var(--fg3)}.portal-channels-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px;margin-bottom:28px}.portal-channel-card{background:var(--bg-elevated);border:1px solid var(--border);padding:20px 22px}.portal-channel-card__head{display:flex;align-items:center;gap:10px;margin-bottom:16px;font-family:var(--font-display);font-weight:700;font-size:16px}.portal-channel-card__dot{width:8px;height:8px;border-radius:50%}.portal-channel-card__row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--border);font-size:14px}.portal-channel-card__row:last-child{border-bottom:none}.portal-channel-card__row-label{color:var(--fg3);font-family:var(--font-mono);font-size:11px;letter-spacing:.04em;text-transform:uppercase}.portal-channel-card__row-value{color:var(--fg1);font-weight:600}.portal-budget-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px;margin-bottom:28px}.portal-budget-card{background:var(--bg-elevated);border:1px solid var(--border);padding:20px 22px}.portal-budget-card__head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:12px}.portal-budget-card__title{font-family:var(--font-display);font-weight:700;font-size:16px}.portal-budget-card__pct{font-family:var(--font-mono);font-size:14px;color:var(--accent)}.portal-budget-bar{height:8px;background:var(--bg-panel);border-radius:4px;overflow:hidden;margin-bottom:8px}.portal-budget-bar__fill{height:100%;background:var(--db-neon);transition:width var(--dur-slow) var(--ease-sharp)}.portal-budget-bar__fill.is-over{background:var(--db-error)}.portal-budget-card__sub{font-family:var(--font-mono);font-size:12px;color:var(--fg3)}.portal-charts-grid{display:grid;grid-template-columns:1fr;grid-gap:16px;gap:16px}.portal-chart-card{background:var(--bg-elevated);border:1px solid var(--border);padding:20px 22px}.portal-chart-card__title{font-family:var(--font-display);font-weight:700;font-size:16px;margin-bottom:16px}@media (max-width:900px){.portal-budget-grid,.portal-channels-grid,.portal-stats-grid{grid-template-columns:1fr}}