/* =============================================
   PRZYCISKI – globalny komponent
   Użycie: class="btn btn-primary"
           class="btn btn-secondary"
           class="btn btn-outline"
   Modyfikatory: btn-sm, btn-full
   ============================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: inherit;
    border-radius: 50px;
    border: 1px solid transparent;
    text-decoration: none;
    cursor: pointer;
    letter-spacing: 0.02em;
    white-space: nowrap;
    transition: background-color 0.2s ease, border-color 0.2s ease,
                color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

/* Primary – niebieski fill */
.btn-primary {
    background-color: var(--blue-color);
    border-color: var(--blue-color);
    color: #fff;
}

.btn-primary:hover {
    background-color: rgb(0, 140, 196);
    border-color: rgb(0, 140, 196);
    color: #fff;
}

/* Secondary – outline na ciemnym tle */
.btn-secondary {
    background-color: transparent;
    border-color: rgba(255, 255, 255, 0.35);
    color: rgba(255, 255, 255, 0.85);
}

.btn-secondary:hover {
    background-color: #fff;
    border-color: #fff;
    color: var(--dark-color);
}

/* Outline – outline na jasnym tle */
.btn-outline {
    background-color: transparent;
    border-color: var(--dark-color);
    color: var(--dark-color);
}

.btn-outline:hover {
    background-color: var(--dark-color);
    border-color: var(--dark-color);
    color: var(--white-color);
}

/* Mały – np. navbar */
.btn-sm {
    padding: 9px 20px;
    font-size: 0.875rem;
}

/* Pełna szerokość */
.btn-full {
    width: 100%;
}