:root{--brand-primary:#0ea5e9;--brand-primary-hover:#0284c7;--brand-primary-light:#38bdf8;--brand-secondary:#1e293b;--surface-base:#0f172a;--surface-elevated:#1e293b;--surface-elevated-hover:#334155;--surface-card:#1e293b;--surface-card-hover:#334155;--color-bg-primary:#0a0e1a;--color-bg-secondary:#0f1419;--color-bg-tertiary:#1a1f2e;--color-bg-gradient:linear-gradient(180deg,#0d1b2a,#0a1622);--text-inverse:#0f172a;--status-success-bg:rgba(16,185,129,.1);--status-success-fg:#10b981;--status-success-border:rgba(16,185,129,.2);--status-warning-bg:rgba(245,158,11,.1);--status-warning-fg:#f59e0b;--status-warning-border:rgba(245,158,11,.2);--status-error-bg:rgba(239,68,68,.1);--status-error-fg:#ef4444;--status-error-border:rgba(239,68,68,.2);--status-info-bg:rgba(59,130,246,.1);--status-info-fg:#3b82f6;--status-info-border:rgba(59,130,246,.2);--status-pending-bg:rgba(245,158,11,.1);--status-pending-fg:#f59e0b;--status-pending-border:rgba(245,158,11,.2);--status-confirmed-bg:rgba(59,130,246,.1);--status-confirmed-fg:#3b82f6;--status-confirmed-border:rgba(59,130,246,.2);--status-completed-bg:rgba(16,185,129,.1);--status-completed-fg:#10b981;--status-completed-border:rgba(16,185,129,.2);--status-cancelled-bg:rgba(239,68,68,.1);--status-cancelled-fg:#ef4444;--status-cancelled-border:rgba(239,68,68,.2);--color-dark-900:#0a0e1a;--color-dark-800:#0f1419;--color-dark-700:#1a1f2e;--color-dark-600:#252a3a;--color-dark-gradient:linear-gradient(180deg,#0d1b2a,#0a1622);--color-card-elevated:rgba(26,31,46,.8);--color-card-elevated-border:rgba(37,42,58,.6);--gradient-audio-blue:linear-gradient(to right,rgba(30,58,138,.5),var(--color-dark-800),rgba(30,58,138,.3));--gradient-audio-orange:linear-gradient(to right,rgba(124,45,18,.5),var(--color-dark-800),rgba(127,29,29,.3));--gradient-blue-dark:linear-gradient(90deg,rgba(30,58,138,.4),rgba(30,41,59,.9));--gradient-blue-primary:linear-gradient(90deg,rgba(30,58,138,.4),rgba(14,165,233,.1));--gradient-plan-audio:linear-gradient(90deg,rgba(30,58,138,.3),rgba(14,165,233,.3));--gradient-blue-purple:linear-gradient(90deg,rgba(30,58,138,.3),rgba(88,28,135,.3));--border-default:#334155;--border-muted:#1e293b;--border-focus:var(--brand-primary);--space-1:0.25rem;--space-2:0.5rem;--space-3:0.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--space-20:5rem;--text-xs:0.75rem;--text-sm:0.875rem;--text-base:1rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--text-3xl:1.875rem;--text-4xl:2.25rem;--text-5xl:3rem;--text-display-sm:2.25rem;--text-display-md:2.75rem;--text-display-lg:3.5rem;--text-display-xl:4.5rem;--leading-tight:1.25;--leading-normal:1.5;--leading-relaxed:1.625;--font-normal:400;--font-medium:500;--font-semibold:600;--font-bold:700;--radius-none:0;--radius-sm:0.375rem;--radius-md:0.5rem;--radius-lg:0.75rem;--radius-xl:1rem;--radius-2xl:1.5rem;--radius-full:9999px;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -1px rgba(0,0,0,.06);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -2px rgba(0,0,0,.05);--shadow-xl:0 20px 25px -5px rgba(0,0,0,.1),0 10px 10px -5px rgba(0,0,0,.04);--shadow-2xl:0 25px 50px -12px rgba(0,0,0,.25);--transition-fast:150ms ease-in-out;--transition-normal:250ms ease-in-out;--transition-slow:350ms ease-in-out;--z-dropdown:1000;--z-sticky:1020;--z-fixed:9999;--z-modal-backdrop:1040;--z-modal:1050;--z-popover:1060;--z-tooltip:1070}[data-theme=light]{--surface-base:#fff;--surface-elevated:#f8fafc;--surface-card:#fff;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#64748b;--border-default:#e2e8f0;--border-muted:#f1f5f9}.text-display-2xl{font-size:var(--text-display-xl)}.text-display-2xl,.text-display-xl{font-weight:var(--font-bold);line-height:var(--leading-tight)}.text-display-xl{font-size:var(--text-display-lg)}.text-display-lg{font-size:var(--text-display-md)}.text-display-lg,.text-display-md{font-weight:var(--font-bold);line-height:var(--leading-tight)}.text-display-md{font-size:var(--text-display-sm)}.text-primary{color:var(--text-primary)}.text-secondary{color:var(--text-secondary)}.text-muted{color:var(--text-muted)}.bg-surface{background-color:var(--surface-base)}.bg-surface-elevated{background-color:var(--surface-elevated)}.bg-surface-card{background-color:var(--surface-card)}.border-default{border-color:var(--border-default)}.border-muted{border-color:var(--border-muted)}.transition-fast{transition:all var(--transition-fast)}.transition-normal{transition:all var(--transition-normal)}.transition-slow{transition:all var(--transition-slow)}