/* =====================================================================
   TaskHub — reset, typografia bazowa i szkielet layoutu
   ===================================================================== */

*, *::before, *::after { box-sizing: border-box; }

html, body {
    height: 100%;
}

body {
    margin: 0;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    transition: background var(--transition-base), color var(--transition-base);
}

h1, h2, h3, h4, p { margin: 0; }

button {
    font-family: inherit;
    cursor: pointer;
}

input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

a { color: inherit; }

::selection {
    background: var(--color-accent-soft);
}

/* Pasek przewijania — subtelny, spójny na obu motywach */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: var(--color-border-strong);
    border-radius: var(--radius-full);
    border: 2px solid var(--color-bg);
}

/* Ekran ładowania / logowania */
#auth-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 12% 18%, var(--color-accent-soft) 0%, transparent 42%),
        radial-gradient(circle at 88% 82%, var(--color-accent-soft) 0%, transparent 38%),
        var(--color-bg);
}

/* Szkielet aplikacji po zalogowaniu */
#app-shell {
    display: none;
    min-height: 100vh;
}

#app-shell.is-active { display: flex; }

.app-sidebar {
    width: 248px;
    flex-shrink: 0;
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    padding: var(--space-5) var(--space-3);
    gap: var(--space-4);
    overflow-y: auto;
}

.app-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

.app-main__content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-8) var(--space-10);
}

.app-main__topbar {
    display: none;
}

@media (max-width: 880px) {
    .app-sidebar { display: none; }

    .app-main__content {
        padding: var(--space-4);
        padding-bottom: calc(var(--space-12) + var(--space-8));
    }

    .app-main__topbar {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: var(--space-2);
        padding: var(--space-3) var(--space-4);
        border-bottom: 1px solid var(--color-border);
        background: var(--color-surface);
        position: sticky;
        top: 0;
        z-index: 20;
    }
    .app-main__topbar .nav-brand { font-size: var(--font-size-sm); flex-shrink: 1; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
}

.view { animation: view-in var(--transition-slow) both; }

@keyframes view-in {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}