/* Domyślnie Motyw Jasny (Light Theme UI) */
:root {
    --bg-page: #f8fafc;
    --bg-canvas: #f1f5f9;
    --card-bg: #ffffff;
    --card-border: #e2e8f0;
    --text-main: #0f172a;
    --text-secondary: #475569;
    --input-bg: #ffffff;
    --btn-secondary-bg: #eceef2;
    --btn-secondary-text: #475569;
    --modal-overlay: rgba(0, 0, 0, 0.4);
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --glass-blur: none;
    --card-shadow: 0 4px 12px rgba(15, 23, 42, 0.05), 0 1px 2px rgba(15, 23, 42, 0.08);
    --top-bar-bg: rgba(255, 255, 255, 0.9);
    --status-bg: rgba(16, 185, 129, 0.1);
    --status-connecting-bg: rgba(251, 191, 36, 0.1);
}

/* Motyw Ciemny - Aktywowany z poziomu klasy theme-dark na body */
body.theme-dark {
    --bg-page: #0b0f19;
    --bg-canvas: #0b0f19;
    --card-bg: rgba(30, 41, 59, 0.45);
    --card-border: rgba(255, 255, 255, 0.08);
    --text-main: #f8fafc;
    --text-secondary: #94a3b8;
    --input-bg: rgba(15, 23, 42, 0.6);
    --btn-secondary-bg: rgba(255, 255, 255, 0.05);
    --btn-secondary-text: #94a3b8;
    --modal-overlay: rgba(0, 0, 0, 0.7);
    --glass-blur: blur(16px);
    --card-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    --top-bar-bg: rgba(15, 23, 42, 0.85);
    --status-bg: rgba(16, 185, 129, 0.15);
    --status-connecting-bg: rgba(251, 191, 36, 0.15);
}

body,
html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-page);
    color: var(--text-main);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* --- Widoki Aplikacji --- */
.app-view {
    width: 100%;
    height: 100%;
    display: none;
    position: absolute;
    top: 0;
    left: 0;
}

/* --- Modale / Okienka popup --- */
.premium-dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--modal-overlay);
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
    transition: background 0.3s ease;
}

.premium-dialog {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 30px;
    width: 100%;
    max-width: 450px;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
}

.premium-dialog h2 {
    margin: 0 0 10px 0;
    font-size: 20px;
}

.btn-group-dialog {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 30px;
}

.btn-dialog-secondary {
    background: var(--btn-secondary-bg);
    border: 1px solid var(--card-border);
    color: var(--btn-secondary-text);
    padding: 10px 18px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-dialog-secondary:hover {
    color: var(--text-main);
    background: var(--card-border);
}

.btn-dialog-primary {
    background: var(--accent);
    border: none;
    color: white;
    padding: 10px 18px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-dialog-primary:hover {
    background: var(--accent-hover);
}