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100%);--key-border: transparent;--input-bg: var(--card-bg);--input-border: var(--border-color);--input-focus-border: var(--accent);--logo-filter: none}:root[data-theme=dark]{--app-bg: #1A1F2E;--app-bg-gradient: linear-gradient(180deg, #1A1F2E 0%, #252B3D 100%);--card-bg: #252B3D;--surface-1: #252B3D;--surface-2: #2D3548;--surface-3: rgba(148, 163, 184, .15);--text-primary: #E5E7EB;--text-strong: #E5E7EB;--text-secondary: #94A3B8;--text-hint: #94A3B8;--text-disabled: rgba(148, 163, 184, .4);--border-color: #3D4456;--divider: var(--border-color);--accent-soft: rgba(107, 184, 240, .18);--accent-shadow: rgba(79, 163, 227, .4);--accent-hover: #4FA3E3;--accent-strong: var(--accent-hover);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .25);--shadow: 0 2px 8px rgba(0, 0, 0, .35);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .45);--shadow-color: rgba(0, 0, 0, .35);--key-bg-used: rgba(148, 163, 184, .25);--key-bg-disabled: rgba(148, 163, 184, .18);--success-bg: rgba(16, 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